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Tagify - tags input component

Transforms an input field or a textarea into a Tags component, in an easy, customizable way, with great performance and small code footprint, exploded with features.
Vanilla ⚑ React ⚑ Vue ⚑ Angular

πŸ‘‰ See Demos πŸ‘ˆ

Table of Contents


npm i @yaireo/tagify --save

Usage (in your bundle):

live demo using Parcel as bundler

import Tagify from '@yaireo/tagify'

var tagify = new Tagify(...)

Don't forget to include tagify.css file in your project. CSS location: @yaireo/tagify/dist/tagify.css SCSS location: @yaireo/tagify/src/tagify.scss See SCSS usecase & example


  • Can be applied on input & textarea elements
  • Supports mix content (text and tags together)
  • Supports single-value mode (like <select>)
  • Supports whitelist/blacklist
  • Supports Templates for: component wrapper, tag items, suggestion list & suggestion items
  • Shows suggestions selectbox (flexiable settings & styling) at full (component) width or next to the typed texted (caret)
  • Allows setting suggestions' aliases for easier fuzzy-searching
  • Auto-suggest input as-you-type with ability to auto-complete
  • Can paste in multiple values: tag 1, tag 2, tag 3 or even newline-separated tags
  • Tags can be created by Regex delimiter or by pressing the "Enter" key / focusing of the input
  • Validate tags by Regex pattern or by function
  • Tags may be editable (double-click)
  • ARIA accessibility support(Component too generic for any meaningful ARIA)
  • Supports read-only mode to the whole componenet or per-tag
  • Each tag can have any properties desired (class, data-whatever, readonly...)
  • Automatically disallow duplicate tags (vis "settings" object)
  • Has built-in CSS loader, if needed (Ex. AJAX whitelist pulling)
  • Tags can be trimmed via hellip by giving max-width to the tag element in your CSS
  • Easily change direction to RTL (via the SCSS file)
  • Internet Explorer - A polyfill script should be used: tagify.polyfills.min.js (in /dist)
  • Many useful custom events
  • Original input/textarea element values kept in sync with Tagify

Building the project

Simply run gulp in your terminal, from the project's path (Gulp should be installed first).

Source files are this path: /src/

Output files, which are automatically generated using Gulp, are in: /dist/

The rest of the files are most likely irrelevant.

Adding tags dynamically

var tagify = new Tagify(...);

tagify.addTags(["banana", "orange", "apple"])

// or add tags with pre-defined propeties

tagify.addTags([{value:"banana", color:"yellow"}, {value:"apple", color:"red"}, {value:"watermelon", color:"green"}])

Output value

There are two possible ways to get the value of the tags:

  1. Access the tagify's instance's value prop: tagify.value (Array of tags)
  2. Access the original input's value: inputElm.value (Stringified Array of tags)

The most common way is to simply listen to the change event on the original input

var inputElm = document.querySelector,
    tagify = new Tagify (inputElm);

inputElm.addEventListener('change', onChange)

function onChange(e){
  // outputs a String

Modify original input value format

Default format is a JSON string:
'[{"value":"cat"}, {"value":"dog"}]'

I recommend keeping this because some situations might have values such as addresses (tags contain commas):
'[{"value":"Apt. 2A, Jacksonville, FL 39404"}, {"value":"Forrest Ray, 191-103 Integer Rd., Corona New Mexico"}]'

Another example for complex tags state might be disabled tags, or ones with custom identifier class:
(tags can be clicked, so delevopers can choose to use this to disable/enable tags)
'[{"value":"cat", "disabled":true}, {"value":"dog"}, {"value":"bird", "class":"color-green"}]'

To change the format, assuming your tags have no commas and are fairly simple:

var tagify = new Tagify(inputElm, {
  originalInputValueFormat: valuesArr => => item.value).join(',')


Ajax whitelist

Dynamically-loaded suggestions list (whitelist) from the server (as the user types) is a frequent need to many.

Tagify comes with its own loading animation, which is a very lightweight CSS-only code, and the loading state is controlled by the method tagify.loading which accepts true or false as arguments.

Below is a basic example using the fetch API. I advise to abort the last request on any input before starting a new request.

var input = document.querySelector('input'),
    tagify = new Tagify(input, {whitelist:[]}),
    controller; // for aborting the call

// listen to any keystrokes which modify tagify's input
tagify.on('input', onInput)

function onInput( e ){
  var value = e.detail.value;
  tagify.settings.whitelist.length = 0; // reset the whitelist

  controller && controller.abort();
  controller = new AbortController();

  // show loading animation and hide the suggestions dropdown

  fetch('' + value, {signal:controller.signal})
    .then(RES => RES.json())
      // update inwhitelist Array in-place
      tagify.settings.whitelist.splice(0, whitelist.length, ...whitelist)
      tagify.loading(false), value); // render the suggestions dropdown

Edit tags

Tags which aren't read-only can be edited by double-clicking them (by default) or by changing the editTags setting to 1, making tags editable by single-clicking them.

The value is saved on blur or by pressing enter key. Pressing Escape will revert the change trigger blur. ctrlz will revert the change if an edited tag was marked as not valid (perhaps duplicate or blacklisted)

To prevent all tags from being allowed to be editable, set the editTags setting to false (or null).
To do the same but for specific tag(s), set those tags' data with editable property set to false:

<input value='[{"value":"foo", "editable":false}, {"value":"bar"}]'>

Drag & Sort

To be able to sort tags by draging, a 3rd-party script is needed.

I have made a very simple drag & drop (~11kb unminified) script which uses HTML5 native API and it is available to download via NPM or Github but any other drag & drop script may possibly work. I could not find in the whole internet a decent lightweight script.

Integration example:

var tagify = new Tagify(inputElement)

// bind "DragSort" to Tagify's main element and tell
// it that all the items with the below "selector" are "draggable"
var dragsort = new DragSort(tagify.DOM.scope, {
    selector: '.'+tagify.settings.classNames.tag,
    callbacks: {
        dragEnd: onDragEnd

// must update Tagify's value according to the re-ordered nodes in the DOM
function onDragEnd(elm){

DOM Templates

It's possible to control the templates for some of the HTML elements tagify is using by modifying the settings.templates Object with your own custom functions which must return an HTML string.

Available templates are: wrapper, tag, dropdown, dropdownItem and the optional dropdownItemNoMatch which is a special template for rendering a suggestion item (in the dropdown list) only if there were no matches found for the typed input.

View templates

Suggestions selectbox

The suggestions selectbox is shown is a whitelist Array of Strings or Objects was passed in the settings when the Tagify instance was created. Suggestions list will only be rendered if there are at least two matching suggestions (case-insensitive).

The selectbox dropdown will be appended to the document's <body> element and will be rendered by default in a position below (bottom of) the Tagify element. Using the keyboard arrows up/down will highlight an option from the list, and hitting the Enter key to select.

It is possible to tweak the selectbox dropdown via 2 settings:

  • enabled - this is a numeral value which tells Tagify when to show the suggestions dropdown, when a minimum of N characters were typed.
  • maxItems - Limits the number of items the suggestions selectbox will render
var input = document.querySelector('input'),
    tagify = new Tagify(input, {
        whitelist : ['aaa', 'aaab', 'aaabb', 'aaabc', 'aaabd', 'aaabe', 'aaac', 'aaacc'],
        dropdown : {
            classname     : "color-blue",
            enabled       : 0,              // show the dropdown immediately on focus
            maxItems      : 5,
            position      : "text",         // place the dropdown near the typed text
            closeOnSelect : false,          // keep the dropdown open after selecting a suggestion
            highlightFirst: true

Will render

<div class="tagify__dropdown tagify__dropdown--text" style="left:993.5px; top:106.375px; width:616px;">
    <div class="tagify__dropdown__wrapper">
      <div class="tagify__dropdown__item tagify__dropdown__item--active" value="aaab">aaab</div>
      <div class="tagify__dropdown__item" value="aaabb">aaabb</div>
      <div class="tagify__dropdown__item" value="aaabc">aaabc</div>
      <div class="tagify__dropdown__item" value="aaabd">aaabd</div>
      <div class="tagify__dropdown__item" value="aaabe">aaabe</div>

By default searching the suggestions is using fuzzy-search (see settings).

If you wish to assign alias to items (in your suggestion list), add the searchBy property to whitelist items you wish to have an alias for.

In the below example, typing a part of a string which is included in the searchBy property, for example land midd" - the suggested item which match the value "Israel" will be rendered in the suggestions (dropdown) list.

Example for a suggestion item alias

whitelist = [
    { value:'Israel', code:'IL', searchBy:'holy land, desert, middle east' },

Another handy setting is dropdown.searchKeys which, like the above dropdown.searchBy setting, allows expanding the search of any typed terms to more than the value property of the whitelist items (if items are a Collection).

Example whitelist:

    value    : 123456,
    nickname : "foo",
    email    : ""
    value    : 987654,
    nickname : "bar",
    email    : ""

// setting to search in other keys:

  dropdown: {
    searchKeys: ["nickname", "email"] //  fuzzy-search matching for those whitelist items' properties


To use this feature it must be toggled - see settings. full demo here

When mixing text with tags, the original textarea (or input) element will have a value as follows:

[[cartman]]⁠ and [[kyle]]⁠ do not know [[Homer simpson]]⁠

If the inital value of the textarea or input is formatted as the above example, tagify will try to automatically convert everything between [[ & ]] to a tag, if tag exists in the whitelist, so make sure when the Tagify instance is initialized, that it has tags with the correct value property that match the same values that appear between [[ & ]].

Applying the setting dropdown.position:"text" is encouraged for mixed-content tags, because the suggestions list will be rendered right next to the caret location and not the the bottom of the Tagify componenet, which might look weird when there is already a lot of content at multiple lines.

If a tag does not exists in the whitelist, it may be created by the user and all you should do is listen to the add event and update your local/remote state.


Similar to native <Select> element, but allows typing text as value.


See live demo for React integration examples.

A Tagify React component is exported from react.tagify.js:

Update regarding onChange prop:

I have changed how the onChange works internally within the Wrapper of Tagify so as of March 30, 2021 the e argument will include a detail parameter with the value as string. There is no more, and to access the original DOM input element, do this: e.detail.tagify.DOM.originalInput.

Note: You will need to inport Tagify's CSS also, either by javasceript or by SCSS @import (which is preferable)

import Tags from "@yaireo/tagify/dist/react.tagify" // React-wrapper file
import "@yaireo/tagify/dist/tagify.css" // Tagify CSS

const App = () => {
  return (
      tagifyRef={tagifyRef} // optional Ref object for the Tagify instance itself, to get access to  inner-methods
      settings={settings}  // tagify settings object
      {...tagifyProps}   // dynamic props such as "loading", "showDropdown:'abc'", "value"
      onChange={ e => console.log("CHANGED:", JSON.parse(e.detail.value)) }

To gain full access to Tagify's (instance) inner methods, A custom ref can be used:

const tagifyRef = useRef()
<Tags tagifyRef={tagifyRef} ... />

// or mix-mode
  value={`This is a textarea which mixes text with [[{"value":"tags"}]].`}

<MixedTags> component is a shorthand for <Tags InputMode="textarea">

Updating the component's state

The settings prop is only used once in the initialization process, please do not update it afterwards.

πŸ“– List of (React) props for the <Tags/> component
Prop Type Updatable Info
settings Object See settings section
name String βœ” <input>'s element name attribute
value String/Array βœ” Initial value.
defaultValue String/Array Same as `value prop
placeholder String βœ” placeholder text for the component
readOnly Boolean βœ” Toggles readonly state. With capital O.
tagifyRef Object useRef hook refference for the component inner instance of vailla Tagify (for methods access)
showFilteredDropdown Boolean/String βœ” if true shows the suggestions dropdown. if assigned a String, show the dropdown pre-filtered.
loading Boolean βœ” Toggles loading state for the whole component
whitelist Array βœ” Sets the whitelist which is the basis for the suggestions dropdown & autocomplete
className String Component's optional class name to be added
InputMode String "textarea" will create a <textarea> (hidden) element instead of the default <input> and automatically make Tagify act as "mix mode"
autoFocus Boolean Should the component have focus on mount. Must be unique, per-page.
children String/Array value/defaultValue props are prefered
onChange Function See events section
onInput Function See events section
onAdd Function See events section
onRemove Function See events section
onInvalid Function See events section
onClick Function See events section
onKeydown Function See events section
onFocus Function See events section
onBlur Function See events section
onEditInput Function See events section
onEditBeforeUpdate Function See events section
onEditUpdated Function See events section
onEditStart Function See events section
onEditKeydown Function See events section
onDropdownShow Function See events section
onDropdownHide Function See events section
onDropdownSelect Function See events section
onDropdownScroll Function See events section
onDropdownNoMatch Function See events section
onDropdownUpdated Function See events section

jQuery version


A jQuery wrapper verison is also available, but I advise not using it because it's basically the exact same as the "normal" script (non-jqueryfied) and all the jQuery's wrapper does is allowing to chain the event listeners for ('add', 'remove', 'invalid')

    .on('add', function(e, tagData){
        console.log('added', ...tagData)  // data, index, and DOM node

Accessing methods can be done via the .data('tagify'):

// get tags from the server (ajax) and add them:
$('[name=tags]').data('tagify').addTags('aaa, bbb, ccc')

HTML input & textarea attributes

The below list of attributes affect Tagify.
These can also be set by Tagify settings Object manually, and not declerativly (via attributes).

Attribute Example Info
<input pattern='^[A-Za-z_✲ ]{1,15}$'>
Tag Regex pattern which tag input is validated by.
<input placeholder='please type your tags'>
This attribute's value will be used as a constant placeholder, which is visible unless something is being typed.
<input readOnly>
No user-interaction (add/remove/edit) allowed.
<input autofocus>
Automatically focus the the Tagify component when the component is loaded
<input required>
Adds a required attribute to the Tagify wrapper element. Does nothing more.


List of questions & scenarios which might come up during development with Tagify:

tags/whitelist data strcture

Tagify does not accept just any kind of data structure.
If a tag data is represented as an Object, it must contain a unique property value which Tagify uses to check if a tag already exists, among other things, so make sure it is present.


[{ "id":1, "name":"foo bar" }]


[{ "id":1, "value": 1, "name":"foo bar" }]
[{ "value":1, "name":"foo bar" }]
[{ "value":"foo bar" }]
// ad a simple array of Strings
["foo bar"]

Save changes (Ex. to a server)

In framework-less projects, the developer should save the state of the Tagify component (somewhere), and the question is:
when should the state be saved? On every change made to Tagify's internal state (tagify.value via the update() method).

var tagify = new Tagify(...)

// listen to "change" events on the "original" input/textarea element
tagify.DOM.originalInput.addEventListener('change', onTagsChange)

// This example uses async/await but you can use Promises, of course, if you prefer.
async function onTagsChange(e){
  const {name, value} =
  // "imaginary" async function "saveToServer" should get the field's name & value
  await saveToServer(name, value)

If you are using React/Vue/Angular or any "modern" framework, then you already know how to attach "onChange" event listeners to your <input>/<textarea> elements, so the above is irrelevant.

Render tags in one single line

Stopping tags from wrapping to new lines, add this to your .tagify selector CSS Rule:

flex-wrap: nowrap;

Submit on `Enter` key

Tagify internally has state property, per Tagify instance and this may be useful for a variety of things when implementing a specific scenario.

var tagify = new Tagify(...)
var formElm = document.forms[0]; // just an example

tagify.on('keydown', onTagifyKeyDown)

function onTagifyKeyDown(e){
  if( e.key == 'Enter' &&         // "enter" key pressed
      !tagify.state.inputText &&  // assuming user is not in the middle oy adding a tag
      !tagify.state.editing       // user not editing a tag
    setTimeout(() => formElm.submit())  // put some buffer to make sure tagify has done with whatever, to be on the safe-side


CSS Variables

Learn more about CSS Variables) (custom properties)

Tagify's utilizes CSS variables which allow easy customization without the need to manually write CSS. If you do wish to heavily style your Tagify components, then you can (and should) use the below variables within your modified styles as much as you can.

For a live example, see the demos page.

Name Info
--tags-border-color The outer border color which surrounds tagify
--tags-hover-border-color hover state
--tags-focus-border-color focus state
--tag-bg Tag background color
--tag-hover Tag background color on hover (mouse)
--tag-text-color Tag text color
--tag-text-color--edit Tag text color when a Tag is being edited
--tag-pad Tag padding, from all sides. Ex. .3em .5em
--tag--min-width Minimum Tag width
--tag--max-width Maximum tag width, which gets trimmed with hellip after
--tag-inset-shadow-size This is the inner shadow size, which dictates the color of the Tags.
It's important the size fits exactly to the tag.
Change this if you change the --tag-pad or fontsize.
--tag-invalid-color For border color of edited tags with invalid value being typed into them
--tag-invalid-bg Background color for invalid Tags.
--tag-remove-bg Tag background color when hovering the Γ— button.
--tag-remove-btn-color Remove (Γ—) button text color
--tag-remove-btn-bg Remove (Γ—) button background color
--tag-remove-btn-bg--hover Remove (Γ—) button hover background color
--loader-size Loading animation size. 1em is pretty big, default is a bit less.
--tag-hide-transition Controls the transition property when a tag is removed. default is '.3s'
--placeholder-color Placeholder text color
--placeholder-color-focus Placeholder text color when Tagify has focus and no input was typed
--input-color Input text color

Full list of Tagify's SCSS variables


Tagify is prototype based and There are many methods, but I've chosen to list the most relevant ones:

Name Parameters Info
destroy Reverts the input element back as it was before Tagify was applied
removeAllTags Removes all tags and resets the original input tag's value property
  1. Array/String/Object tag(s) to add
  2. Boolean clear input after adding
  3. Boolean - skip adding invalids
    Accepts a String (word, single or multiple with a delimiter), an Array of Objects (see above) or Strings.
    addMixTags Array/String Bypasses the normalization process in addTags, forcefully adding tags at the last caret location or at the end, if there's no last caret location saved (at tagify.state.selection)
    1. Array/HTMLElement/String tag(s) to remove
    2. silent does not update the component's value
    3. tranDuration Transition duration (in ms)
    (#502) Remove single/multiple Tags. When nothing passed, removes last tag.
    • silent - A flag, which when turned on, does not remove any value and does not update the original input value but simply removes the tag from tagify
    • tranDuration - delay for animation, after which the tag will be removed from the DOM
    addEmptyTag Object (tagData) Create an empty tag (optionally with pre-defined data) and enters "edit" mode directly. See demo
    loadOriginalValues String/Array Converts the input's value into tags. This method gets called automatically when instansiating Tagify. Also works for mixed-tags
    getWhitelistItemsByValue Object {value} - return an Array of found matching items (case-insensitive)
    getTagIndexByValue String Returns the index of a specific tag, by value
    getTagElmByValue String Returns the first matched tag node, if found
    isTagDuplicate String Returns how many tags already exists with that value
    parseMixTags String Converts a String argument ([[foo]]⁠ and [[bar]]⁠ are..) into HTML with mixed tags & texts
    getTagElms Returns a DOM nodes list of all the tags
    getTagElmByValue String Returns a specific tag DOM node by value
    tagData HTMLElement, Object set/get tag data on a tag element (has.tagify__tag class by default)
    editTag HTMLElement Goes to edit-mode in a specific tag
    replaceTag tagElm, Object (tagData) Exit a tag's edit-mode. if "tagData" exists, replace the tag element with new data and update Tagify value
    loading Boolean toggle loading state on/off (Ex. AJAX whitelist pulling)
    tagLoading HTMLElement, Boolean same as above but for a specific tag element
    createTagElem Object (tagData) Returns a tag element from the supplied tag data
    injectAtCaret HTMLElement (injectedNode), Object (range) Injects text or HTML node at last caret position. range parameter is optional
    placeCaretAfterNode HTMLElement Places the caret after a given node
    insertAfterTag HTMLElement (tag element), HTMLElement/String (whatever to insert after)
    toggleClass Boolean Toggles class on the main tagify container (scope)
    dropdown.selectAll Add all whitelist items as tags and close the suggestion dropdown
    updateValueByDOMTags Iterate tag DOM nodes and re-build the tagify.value array (call this if tags get sorted manually)
    parseTemplate String/Function (template name or function), Array (data) converts a template string (by selecting one from the settings.templates by name or supplying a template function which returns a String) into a DOM node
    setReadonly Boolean Toggles "readonly" mode on/off


    All triggered events return the instance's scope (tagify).
    See e.detail for custom event additional data.

    Example 1
    var tagify = new Tagify(...)
    // events can be chainable, and multiple events may be binded for the same callback
      .on('input', e => console.log(e.detail))
      .on('edit:input edit:updated edit:start edit:keydown', e => console.log(e.type, e.detail))
    Example 2
    var tagify = new Tagify(inputNode, {
      callbacks: {
        "change": (e) => console.log(e.detail))
        "dropdown:show": (e) => console.log(e.detail))
    Name Info
    change Any change to the value has occured. e.details.value callback listener argument is a String
    add A tag has been added
    remove A tag has been removed (use removeTag instead with jQuery)
    invalid A tag has been added but did not pass vaildation. See event detail
    input Input event, when a tag is being typed/edited. e.detail exposes value, inputElm & isValid
    click Clicking a tag. Exposes the tag element, its index & data
    dblclick Double-clicking a tag
    keydown When tagify input has focus and a key was pressed
    focus The component currently has focus
    blur The component lost focus
    edit:input Typing inside an edited tag
    edit:beforeUpdate Just before a tag has been updated, while still in "edit" mode
    edit:updated A tag as been updated (changed view editing or by directly calling the replaceTag() method)
    edit:start A tag is now in "edit mode"
    edit:keydown keydown event while an edited tag is in focus
    dropdown:show Suggestions dropdown is to be rendered. The dropdown DOM node is passed in the callback, see demo.
    dropdown:hide Suggestions dropdown has been removed from the DOM
    dropdown:select Suggestions dropdown item selected (by mouse/keyboard/touch)
    dropdown:scroll Tells the percentage scrolled. (event.detail.percentage)
    dropdown:noMatch No whitelist suggestion item matched for the the typed input. At this point it is possible to manually set tagify.suggestedListItems to any possible custom value, for example: [{ value:"default" }]
    dropdown:updated Fired when the dropdown list is re-filtered while suggestions list is visible and a tag was removed so it was re-added as a suggestion


    Promise-based hooks for async program flow scenarios.

    Allows to "hook" (intervene) at certain points of the program, which were selected as a suitable place to pause the program flow and wait for further instructions on how/if to procceed.

    For example, if a developer wishes to add a (native) confirmation popup before a tag is removed (by a user action):
    var input = document.querySelector('input')
    var tagify = new Tagify(input,{
        hooks: {
             * Removes a tag
             * @param  {Array}  tags [Array of Objects [{node:..., data:...}, {...}, ...]]
            beforeRemoveTag : function( tags ){
                return new Promise((resolve, reject) => {
                    confirm("Remove " + tags[0].data.value + "?")
                        ? resolve()
                        : reject()
    Name Parameters Info
    beforeRemoveTag Array (of Objects) Example
    suggestionClick Object (click event data) Example


    Name Type Default Info
    tagTextProp String "value" Tag data Object property which will be displayed as the tag's text. Remember to keep "value" property unique.
    placeholder String Placeholder text. If this attribute is set on an input/textarea element it will override this setting
    delimiters String "," [RegEx string] split tags by any of these delimiters. Example delimeters: ",|.| " (comma, dot or whitespace)
    pattern String/RegEx null Validate input by RegEx pattern (can also be applied on the input itself as an attribute) Ex: /[1-9]/
    mode String null Use select for single-value dropdown-like select box. See mix as value to allow mixed-content. The 'pattern' setting must be set to some character.
    mixTagsInterpolator Array ['[[', ']]'] Interpolation for mix mode. Everything between these will become a tag
    mixTagsAllowedAfter RegEx /,|\.|\:|\s/ Define conditions in which typed mix-tags content is allowing a tag to be created after.
    duplicates Boolean false Should duplicate tags be allowed or not
    trim Boolean true If true trim the tag's value (remove before/after whitespaces)
    enforceWhitelist Boolean false Should ONLY use tags allowed in whitelist.
    In mix-mode, setting it to false will not allow creating new tags.
    autoComplete.enabled Boolean true Tries to suggest the input's value while typing (match from whitelist) by adding the rest of term as grayed-out text
    autoComplete.rightKey Boolean false If true, when β†’ is pressed, use the suggested value to create a tag, else just auto-completes the input. In mixed-mode this is ignored and treated as "true"
    whitelist Array [] An array of allowed tags (Strings or Objects). When using Objects in the whitelist array a value property is a must & should be unique.
    Also, the *whitelist used for auto-completion when autoCompletion.enabled is true
    blacklist Array [] An array of tags which aren't allowed
    addTagOnBlur Boolean true Automatically adds the text which was inputed as a tag when blur event happens
    callbacks Object {} Exposed callbacks object to be triggered on events: 'add' / 'remove' tags
    maxTags Number Infinity Maximum number of allowed tags. when reached, adds a class "tagify--hasMaxTags" to <Tags>
    editTags Object/Number {} false or null will disallow editing
    editTags.clicks Number 2 Number of clicks to enter "edit-mode": 1 for single click. Any other value is considered as double-click
    editTags.keepInvalid Boolean true keeps invalid edits as-is until esc is pressed while in focus
    templates Object wrapper, tag, dropdownItem Object consisting of functions which return template strings
    validate Function If the pattern setting does not meet your needs, use this function, which recieves tag data object as an argument and should return true if validaiton passed or false/string of not. A string may be returned as the reason of the validation failure.
    transformTag Function Takes a tag data as argument and allows mutating it before a tag is created or edited.
    Should not return anything, only mutate.
    keepInvalidTags Boolean false If true, do not remove tags which did not pass validation
    skipInvalid Boolean false If true, do not add invalid, temporary, tags before automatically removing them
    backspace * true On pressing backspace key:
    true - remove last tag
    edit - edit last tag
    originalInputValueFormat Function If you wish your original input/textarea value property format to other than the default (which I recommend keeping) you may use this and make sure it returns a string.
    mixMode.insertAfterTag Node/String \u00A0 node or string to add after a tag added
    dropdown.enabled Number 2 Minimum characters input for showing a suggestions list. false will not render a suggestions list.
    dropdown.caseSensitive Boolean false if true, match exact item when a suggestion is selected (from the dropdown) and also more strict matching for dulpicate items. Ensure fuzzySearch is false for this to work.
    dropdown.maxItems Number 10 Maximum items to show in the suggestions list
    dropdown.classname String "" Custom classname for the dropdown suggestions selectbox
    dropdown.fuzzySearch Boolean true Enables filtering dropdown items values' by string containing and not only beginning
    dropdown.accentedSearch Boolean true Enable searching for accented items in the whitelist without typing exact match (#491)
    dropdown.position String "all"
    • manual - will not render the dropdown, and you would need to do it yourself. See demo
    • text - places the dropdown next to the caret
    • input - places the dropdown next to the input (useful in rare situations)
    • all - normal, full-width design
    dropdown.highlightFirst Boolean false When a suggestions list is shown, highlight the first item, and also suggest it in the input (The suggestion can be accepted with β†’ key)
    dropdown.closeOnSelect Boolean true close the dropdown after selecting an item, if enabled:0 is set (which means always show dropdown on focus)
    dropdown.clearOnSelect Boolean true Keep typed text after selecting a suggestion
    dropdown.mapValueTo Function/String If whitelist is an Array of Objects:
    Ex. [{value:'foo', email:''},...])
    this setting controlls which data key will be printed in the dropdown.
    Ex.1: mapValueTo: data => "To:" +
    Ex.2: mapValueTo: "email"
    dropdown.searchKeys Array ["value", "searchBy"] When a user types something and trying to match the whitelist items for suggestions, this setting allows matching other keys of a whitelist objects
    dropdown.appendTarget HTMLNode document.body Target-Node which the suggestions dropdown is appended to (only when rendered)
    dropdown.placeAbove Boolean If defined, will force the placement of the dropdown in respect to the Boolean value: true will always show the suggestions dropdown above the input field and false will always show it below. By default this setting it not defined and the placement of the dropdown is automatically decided according to the space availble, where opening it below the input is preferred.