Free Trial Buy
    Your search did not match any results.
    Html Editor

    Toolbar Customization

    Documentation

    This demo shows how to add a custom control to the toolbar. The Show markup button opens a popup that displays the HtmlEditor’s output markup.

    See more Hide details
    Prev Demo Next Demo

    jQuery

    Angular

    Vue

    React

    AngularJS

    ASP.NET Core

    ASP.NET MVC

    Backend API
    Copy to CodePen
    Apply
    Reset
    window.onload = function () { const editorValue = ko.observable(); const visiblePopup = ko.observable(false); const viewModel = { valueContent: ko.observable(), htmlEditorOptions: { value: editorValue, toolbar: { items: [ 'undo', 'redo', 'separator', { name: 'header', acceptedValues: [false, 1, 2, 3, 4, 5], }, 'separator', 'bold', 'italic', 'strike', 'underline', 'separator', 'alignLeft', 'alignCenter', 'alignRight', 'alignJustify', 'separator', { widget: 'dxButton', options: { text: 'Show markup', stylingMode: 'text', onClick() { visiblePopup(true); }, }, }, ], }, }, popupOptions: { showTitle: true, title: 'Markup', onShowing() { this.valueContent(editorValue()); }, visible: visiblePopup, }, }; ko.applyBindings(viewModel, document.getElementById('demo')); };
    <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.4/css/dx.light.css" /> <script src="https://unpkg.com/devextreme-quill@1.5.16/dist/dx-quill.min.js"></script> <script src="https://cdn3.devexpress.com/jslib/22.1.4/js/dx.all.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div data-bind="dxHtmlEditor: htmlEditorOptions"> <h2> <img src="images/widgets/HtmlEditor.svg" alt="HtmlEditor"> Formatted Text Editor (HTML Editor) </h2> <br> <p>DevExtreme JavaScript HTML Editor is a client-side WYSIWYG text editor that allows its users to format textual and visual content and store it as HTML or Markdown.</p> <p>Supported features:</p> <ul> <li>Inline formats: <ul> <li><strong>Bold</strong>, <em>italic</em>, <s>strikethrough</s> text formatting</li> <li>Font, size, color changes (HTML only)</li> </ul> </li> <li>Block formats: <ul> <li>Headers</li> <li>Text alignment</li> <li>Lists (ordered and unordered)</li> <li>Code blocks</li> <li>Quotes</li> </ul> </li> <li>Custom formats</li> <li>HTML and Markdown support</li> <li>Mail-merge placeholders (for example, %username%)</li> <li>Adaptive toolbar for working images, links, and color formats</li> <li>Image upload: drag-and-drop images onto the form, select files from the file system, or specify a URL.</li> <li>Copy-paste rich content (unsupported formats are removed)</li> <li>Tables support</li> </ul> </div> <div data-bind="dxPopup: popupOptions"> <div class="value-content" data-bind="text: valueContent"></div> </div> </div> </body> </html>
    .dx-htmleditor-content img { vertical-align: middle; padding-right: 10px; }