Iframe in EJ2 JavaScript Rich text editor control
18 Apr 202316 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/ej2/23.1.36/ej2-base/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-richtexteditor/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-inputs/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-lists/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-navigations/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-popups/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-buttons/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-splitbuttons/styles/material.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/23.1.36/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/ej2/23.1.36/ej2-base/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-richtexteditor/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-inputs/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-lists/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-navigations/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-popups/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-buttons/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-splitbuttons/styles/material.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/23.1.36/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/ej2/23.1.36/ej2-base/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-richtexteditor/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-inputs/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-lists/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-navigations/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-popups/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-buttons/styles/material.css" rel="stylesheet">
<link href="https://cdn.syncfusion.com/ej2/23.1.36/ej2-splitbuttons/styles/material.css" rel="stylesheet">
<script src="https://cdn.syncfusion.com/ej2/23.1.36/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>