Iframe in EJ2 JavaScript Rich text editor control
2 Feb 202416 minutes to read
When the iframeSettings option is enabled, the Rich Text Editor creates the iframe element as the content area on control initialization; it is used to display and editing the content. In Content area, the editor displays only the body tag of a <iframe> document.
// initialize Rich Text Editor component
var defaultRTE = new ej.richtexteditor.RichTextEditor({
height: 340,
iframeSettings: {
enable: true
}
});
// render initialized Rich Text Editor
defaultRTE.appendTo('#defaultRTE');<!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="https://cdn.syncfusion.com/ej2/28.1.33/ej2-base/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-richtexteditor/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-inputs/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-lists/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-navigations/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-popups/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-buttons/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-splitbuttons/styles/material.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/28.1.33/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<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><b>Key features:</b></p>
<ul><li><p>Provides <IFRAME> and <DIV> 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>
<li><p>Provides HTML view to edit the source directly for developers.</p></li>
<li><p>Supports third-party library integration.</p></li>
<li><p>Allows preview of modified content before saving it.</p></li>
<li><p>Handles images, hyperlinks, video, hyperlinks, uploads, etc.</p></li>
</ul>
</div>
</div>
<style>
.e-rte-quick-popup .e-rte-quick-toolbar .e-rotate-left::before {
content: "\e76e";
}
.e-rte-quick-popup .e-rte-quick-toolbar .e-rotate-right::before {
content: "\e726";
}
</style>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>IFrame attributes
The editor allows you to pass an additional attribute to body tag of a <iframe> element using attributes fields of iframeSettings property. The property contains name/value pairs in string format. It is used to override the default appearance of the content area.
// initialize Rich Text Editor component
var defaultRTE = new ej.richtexteditor.RichTextEditor({
height: 340,
iframeSettings: {
enable: true,
attributes: {
readonly: 'readonly'
}
}
});
// render initialized Rich Text Editor
defaultRTE.appendTo('#defaultRTE');<!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="https://cdn.syncfusion.com/ej2/28.1.33/ej2-base/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-richtexteditor/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-inputs/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-lists/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-navigations/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-popups/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-buttons/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-splitbuttons/styles/material.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/28.1.33/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<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><b>Key features:</b></p>
<ul><li><p>Provides <IFRAME> and <DIV> 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>
<li><p>Provides HTML view to edit the source directly for developers.</p></li>
<li><p>Supports third-party library integration.</p></li>
<li><p>Allows preview of modified content before saving it.</p></li>
<li><p>Handles images, hyperlinks, video, hyperlinks, uploads, etc.</p></li>
</ul>
</div>
</div>
<style>
.e-rte-quick-popup .e-rte-quick-toolbar .e-rotate-left::before {
content: "\e76e";
}
.e-rte-quick-popup .e-rte-quick-toolbar .e-rotate-right::before {
content: "\e726";
}
</style>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>Adding external CSS/Script File
The editor offers you to add external CSS file to style the <iframe> element. Easily change the appearance of editor’s content using an external CSS file using styles field in iframeSettings property.
Likewise, add the external script file to the <iframe> element using scripts field of iframeSettings to provide the additional functionalities to the Rich Text Editor.
// initialize Rich Text Editor component
var defaultRTE = new ej.richtexteditor.RichTextEditor({
height: 340,
iframeSettings: {
enable: true,
resources: {
scripts: ['my-script.js'],
styles: ['my-style.css']
}
}
});
// render initialized Rich Text Editor
defaultRTE.appendTo('#defaultRTE');<!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="https://cdn.syncfusion.com/ej2/28.1.33/ej2-base/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-richtexteditor/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-inputs/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-lists/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-navigations/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-popups/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-buttons/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/28.1.33/ej2-splitbuttons/styles/material.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/28.1.33/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
<div id="container">
<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><b>Key features:</b></p>
<ul><li><p>Provides <IFRAME> and <DIV> 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>
<li><p>Provides HTML view to edit the source directly for developers.</p></li>
<li><p>Supports third-party library integration.</p></li>
<li><p>Allows preview of modified content before saving it.</p></li>
<li><p>Handles images, hyperlinks, video, hyperlinks, uploads, etc.</p></li>
</ul>
</div>
</div>
<style>
.e-rte-quick-popup .e-rte-quick-toolbar .e-rotate-left::before {
content: "\e76e";
}
.e-rte-quick-popup .e-rte-quick-toolbar .e-rotate-right::before {
content: "\e726";
}
</style>
<script>
var ele = document.getElementById('container');
if(ele) {
ele.style.visibility = "visible";
}
</script>
<script src="index.js" type="text/javascript"></script>
</body></html>