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Set the cursor at the specific range in JavaScript (ES5) RichTextEditor control

30 Mar 2023 / 1 minute to read

This can be achieved by using setRange method in the Rich Text Editor using NodeSelection instance. In this below sample, we have passed the text node (specific location in Rich Text Editor content) in setStart method and passed the range in setRange method of Rich Text Editor.

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index.js
index.html
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var defaultRTE = new ej.richtexteditor.RichTextEditor({ 
 placeholder:'Type Something',
  });
defaultRTE.appendTo('#defaultRTE');

document.getElementById('btn').onclick = function(){
  var element = defaultRTE.contentModule.getDocument().getElementById("key");
  var selectioncursor = new ej.richtexteditor.NodeSelection();
  var range = document.createRange();
  range.setStart(element, 1); // to set the range 
  selectioncursor.setRange(document, range); // to set the cursor
}
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<!DOCTYPE html><html lang="en"><head>
            
    <title>Essential JS 2 Rich Text Editor</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript UI Controls">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-richtexteditor/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-popups/styles/material.css" rel="stylesheet">
     <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/21.1.35/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    
    

<script src="https://cdn.syncfusion.com/ej2/21.1.35/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container">
        <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
        <div id="defaultRTE">
            <p>The Rich Text Editor is WYSIWYG ("what you see is what you get") editor useful to create and edit content, and return the valid <a href="https://ej2.syncfusion.com/home/" target="_blank">HTML markup</a> or <a href="https://ej2.syncfusion.com/home/" target="_blank">markdown</a> of the content</p>
            <p id="key"><b>Key features:</b></p>
            <ul>
                <li>
                    <p>Provides &lt;IFRAME&gt; and &lt;DIV&gt; modes</p>
                </li>
                <li>
                    <p>Capable of handling markdown editing.</p>
                </li>
                <li>
                    <p>Contains a modular library to load the necessary functionality on demand.</p>
                </li>
                <li>
                    <p>Provides a fully customizable toolbar.</p>
                </li>

            </ul>
        </div>
        <input id="btn" type="button" class="e-btn" style="margin-top:40px" value="Set cursor point">
    </div>
    <style>

    </style>


<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>
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