Added the RemainingCharacters widget documentation

_data/toc/javascript-developer-guide.yml

@@ -106,6 +106,9 @@ pages:
         - label: RedirectUrl widget
           url: /javascript-dev-guide/widgets/widget_redirectUrl.html
 
+        - label: RemainingCharacters widget
+          url: /javascript-dev-guide/widgets/widget-remaining-characters.html
+
         - label: RowBuilder widget
           url: /javascript-dev-guide/widgets/widget-row-builder.html
 

guides/v2.2/javascript-dev-guide/widgets/jquery-widgets-about.md

@@ -29,6 +29,7 @@ This guide discusses the following widgets:
 -   [Prompt widget]
 -   [QuickSearch widget]
 -   [RedirectUrl widget]
+-   [RemainingCharacters widget]
 -   [RowBuilder widget]
 -   [Sortable widget]
 -   [Sticky widget]
@@ -63,6 +64,7 @@ Magento out of the box does not contain jQuery UI styles. Also, it is not recomm
 [Prompt widget]: {{page.baseurl}}/javascript-dev-guide/widgets/widget_prompt.html
 [QuickSearch widget]: {{page.baseurl}}/javascript-dev-guide/widgets/widget_quickSearch.html
 [RedirectUrl widget]: {{page.baseurl}}/javascript-dev-guide/widgets/widget_redirectUrl.html
+[RemainingCharacters widget]: {{page.baseurl}}/javascript-dev-guide/widgets/widget-remaining-characters.html
 [RowBuilder widget]: {{page.baseurl}}/javascript-dev-guide/widgets/widget-row-builder.html
 [Sortable widget]: {{page.baseurl}}/javascript-dev-guide/widgets/widget-sortable.html
 [Tabs widget]: {{page.baseurl}}/javascript-dev-guide/widgets/widget_tabs.html

guides/v2.2/javascript-dev-guide/widgets/widget-remaining-characters.md

@@ -0,0 +1,150 @@
+---
+group: javascript-developer-guide
+subgroup: 3_Widgets
+title: RemainingCharacters widget
+contributor_name: Atwix
+contributor_link: https://www.atwix.com/
+---
+
+The RemainingCharacters [widget](https://glossary.magento.com/widget/) allows you to display the remaining characters count for a text field.
+
+The RemainingCharacters widget can be used only in the frontend area.
+
+The RemainingCharacters widget source is [`<Magento_Catalog_module_dir>/view/frontend/web/js/product/remaining-characters.js`][].
+
+## Initialize the RemainingCharacters widget
+
+For information about how to initialize a widget in a JS component or `.phtml` template, see the [Initialize JavaScript][] topic.
+
+The RemainingCharacters widget is instantiated with:
+
+```javascript
+$("#remaining-characters").remainingCharacters({
+    maxLength: 5,
+    noteSelector: '.note',
+    counterSelector: '.note .character-counter'
+});``
+```
+
+Where:
+
+- `#remaining-characters` is the selector of the element which will display RemainingCharacters.
+
+The following example shows a PHTML file using the script:
+
+```html
+<script>
+    require([
+        'jquery',
+        'Magento_Catalog/js/product/remaining-characters'
+    ], function ($) {
+        'use strict';
+
+        $("#remaining-characters").remainingCharacters({
+            maxLength: 5,
+            noteSelector: '.note',
+            counterSelector: '.note .character-counter'
+        });
+    });
+</script>
+```
+
+## Options
+
+- [counterSelector](#counterselector)
+- [errorClass](#errorclass)
+- [maxLength](#maxlength)
+- [noDisplayClass](#nodisplayclass)
+- [noteSelector](#noteselector)
+- [remainingText](#remainingtext)
+- [tooManyText](#toomanytext)
+
+### `counterSelector`
+
+The selector of counter element.
+
+**Type**: String
+
+**Default value**: `undefined`
+
+### `errorClass`
+
+The error class that appends to the [note element](#noteselector) if the [maxLength](#maxlength) is exceeded.
+
+**Type**: String
+
+**Default value**: `'mage-error'`
+
+### `maxLength`
+
+The maximum length of the text for the field.
+
+**Type**: Integer
+
+**Default value**: `undefined`
+
+### `noDisplayClass`
+
+The class that appends to the [counter element](#counterselector) if the field value is empty.
+
+**Type**: String
+
+**Default value**: `'no-display'`
+
+### `noteSelector`
+
+The selector of note element. The note element contains the [counter element](#counterselector) and the [error class](#errorclass) is added to the note element when the [maxLength](#maxlength) is exceeded.
+
+**Type**: String
+
+**Default value**: `undefined`
+
+### `remainingText`
+
+The text that shows in the [counter element](#counterselector) if the [maxLength](#maxlength) is not exceeded.
+
+**Type**: String
+
+**Default value**: `$t('remaining')`
+
+### `tooManyText`
+
+The text that shows in the [counter element](#counterselector) if the [maxLength](#maxlength) is exceeded.
+
+**Type**: String
+
+**Default value**: `$t('too many')`
+
+## Code sample
+
+This example shows the text field with the note that shows you a message about the remaining characters.
+
+```html
+<input id="remaining-characters" type="text"/>
+<p class="note">
+    <span class="character-counter"></span>
+</p>
+<script>
+    require([
+        "jquery",
+        "Magento_Catalog/js/product/remaining-characters"
+    ], function ($) {
+        'use strict';
+
+        $('#remaining-characters').remainingCharacters({
+            maxLength: 5,
+            noteSelector: '.note',
+            counterSelector: '.note .character-counter'
+        });
+    });
+</script>
+```
+
+### Result
+
+![RemainingCharacters widget example with not exceeded text length]({{ site.baseurl }}/common/images/widget/remaining-characters-widget-with-not-exceeded-text-length.png)
+![RemainingCharacters widget example with exceeded text length]({{ site.baseurl }}/common/images/widget/remaining-characters-widget-with-exceeded-text-length.png)
+
+<!-- Link Definitions -->
+[`<Magento_Catalog_module_dir>/view/frontend/web/js/product/remaining-characters.js`]: {{ site.mage2bloburl }}/{{ page.guide_version }}/app/code/Magento/Catalog/view/frontend/web/js/product/remaining-characters.js
+[Initialize JavaScript]: {{page.baseurl}}/javascript-dev-guide/javascript/js_init.html

guides/v2.3/javascript-dev-guide/widgets/widget-remaining-characters.md

@@ -0,0 +1 @@
+../../../v2.2/javascript-dev-guide/widgets/widget-remaining-characters.md