template engine built around doT.
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doTemplate is a jQuery template plugin build around the high performance doT template engine, which is where the name come from and, well, it clearly state what it does do too :)

Compilation time is where doTemplate is excel, thanks to doT, the compilation results are stored as strings until they are requested to be converted to DOM (using toDOM() method or inserted into the dom (using the rendering methods). This allows for better compilation time and more flexibility as you can access the compiled items through the template items property, convert it into a jQuery object and access it or simply use on of the rendering methods to rendering to the document.

The template function is automatically cached and when items are converted to jQuery a data object is attached containing the source, data, compiler function and compiled string for the item being converted, this allow for creation of template based on existing data accessible in the DOM as well as based on an existing doTemplate instance.

Best thing is to try it and make your own mind, hopefully there is enough below to help you get started :)

Template features

All template features are as provided by doT the only changes made are the support for ${var} tag and made the template variable name optional and disabled by default.

  • extremely fast
  • custom delimiters
  • runtime evaluation
  • runtime interpolation
  • compile-time evaluation
  • partials support
  • conditionals support
  • array iterators
  • encoding
  • whitespace control
  • streaming friendly


Builder API


The core function that serve new template object based on arguments provided.

    // pass source and data as arguments
    $.doTemplate('<p>${name}</p>', [{name:'John'},{name:'Jack'}]).appendTo('#names');

    // or

    // pass a configuration object
        data: [{name:'John'},{name:'Jack'}],
        source: '<p>${name}</p>',

    // or if you want a template object based of the template object used to render an element


    // if a source is passed first it will be used instead of the original template
    $.doTemplate('<div>${name}</div>', element).appendTo('#itemId');


This is an helper function which return a template object created using the element contents

    // passing data as argument

    // or to create a new template using the element source as new source

Template API

The template builder methods return a template object. That object has an API to simplify the rendering of compiled content in the document.

rendering methods

The main rendering methods are appendTo, prependTo, insertAfter, insertBefore and replace and behave as you would expect them to. See the examples for usage (append and replace are used)

The render method is more of an internal helper for the methods stated above but it you want to save yourself a function call check the code to see how to use it.

compiling new data

You can update an already created template by using the compile method and passing it the new data as seen below.

var tmpl = $.doTemplate(templateString, data).appendTo('#target');
tmpl.compile(newData).appendTo('#target2'); // append the newly compiled data to a new element

extract method

The extract method is a static method used internally to retrieved the doTemplate data object stored. It attemps to location the data object from the element going up the anscestry tree, this allows for an easy retrieval of the data object from any element inside a converted template item.

// a is part of the DOM and was previsously rendered using doTemplate
$('a').on('click', function(ev) {
    var dataObject = $.doTemplate(this);
        dataObject = {
            data, // data object used for item
            source, // template source used for item
            compiler, // compiler function used for item
            compiled // compiled string of the item


As you would expect any jquery plugin.

<script src="jquery.min.js"></script>
<script src="jquery.doTemplate.min.js"></script>

Template tags

Templates tags are used to insert logic into your templates.

Interpolation tag

Print out data value. This can be done using the short or long tag.

If you use the long tag and disable the shorttag usage it will increase performance slightly as the engine convert the short into long before processing it.

Short tag: ${var}
Long tag: {{=var}}

Accessing Array: ${array[0]}
Accessing Object: ${object.foo}

Conditional: ${isRed ? 'red' : 'white'}

Conditional statement tag

The conditional statement tags allows you to create if / else like statetement inside your templates

If / Else

{{? red}}
    do something
    do something else

If / Elseif / Else

{{? red}}
    do something
{{?? blue}}
    do something else
    do something else

Iteration tag

The iteration tags can be used to loop through arrays and objects from the template file. Iteration tags can be nested.

    {{~ items :item }}
        {{~ item :link }}
            <li><a href="${link.href}" title="${link.title}">${link.label}</a></li>

Evaluation tag

The evaluation tag allows you to run pure javascript inside your template.

{{ if (red) { }}
{{ } else { }}
{{ } }}

Enconding tag

The encoding tag will encode its body so everything is render as it is inside the browser (useful to print out html code)

{{! The tag <strong> is strong }}

Define and Use tags

Define and use/reuse snippets

    Some snippet that will be included {{#def.a}} later {{=it.f1}}


Define and use functions in your templates

{{##def.fntest = function() {
    return "Function test worked!";



Using script tags to store templates

    <script type="text/doTemplate" id="listTemplate">
            <td class="click">${name}</td>
            <td>${age >= 18 ? 'yes' : 'no'}</td>
    <script type="text/doTemplate" id="itemTemplate">
            <th colspan="3"><strong>${name}</strong></th>
            <td colspan="2">${age}</td>
<h1>List 1</h1>
    <tbody id="list"></tbody>
<h2>List 2</h1>
    <tbody id="list2"></tbody>
var data = [
    {name: 'Paul', age: 22},
    {name: 'Edouard', age: 13},
    {name: 'Jesus', age: 33},

var templ = $('#listTemplate').doTemplate(data).appendTo('#list');

$('td.click').live('click', function() {
    // grab the new source provider
    // here doTemplate will grab the doTemplate object store when the element, this, was created and compile its data with the new source
    // as it was in a loop this allow us to render a single row without any hassle
    // we use the replace function to replace the old row

setTimeout(function() {
    // we update the template with the data and append that to another element
        {name: 'Paulette', age: 69},
        {name: 'Jean', age: 18},
        {name: 'Turna', age: 17}

}, 500);

Using strings as template

var data = [
    {name: 'Paul', age: 22},
    {name: 'Edouard', age: 13},
    {name: 'Jesus', age: 33},

$.doTemplate('<p>${name} : ${age}</p>', data).appendTo('#list');	


The template engine is powered by doT.js, written by Laura Doktorova.