Display tool tip on tab header in EJ2 JavaScript Tab control

2 May 20236 minutes to read

You can display tooltip for the tab component header using beforeRender event of Essential JS 2 Tooltip component which can be viewed as hint texts on mouse hovers over tab.

ej.base.enableRipple(true);

 var tabObj = new ej.navigations.Tab({
    heightAdjustMode: 'Auto',
    items: [
        {
            header: { 'text': 'Twitter' },
            content: 'Twitter is an online social networking service that enables users to send and read short 140-character ' +
            'messages called "tweets". Registered users can read and post tweets, but those who are unregistered can only read ' +
            'them. Users access Twitter through the website interface, SMS or mobile device app Twitter Inc. is based in San ' +
            'Francisco and has more than 25 offices around the world. Twitter was created in March 2006 by Jack Dorsey, ' +
            'Evan Williams, Biz Stone, and Noah Glass and launched in July 2006. The service rapidly gained worldwide popularity, ' +
            'with more than 100 million users posting 340 million tweets a day in 2012.The service also handled 1.6 billion ' +
            'search queries per day.'
        },
        {
            header: { 'text': 'Facebook' },
            content: 'Facebook is an online social networking service headquartered in Menlo Park, California. Its website was ' +
            'launched on February 4, 2004, by Mark Zuckerberg with his Harvard College roommates and fellow students Eduardo ' +
            'Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes.The founders had initially limited the website\'\s ' +
            'membership to Harvard students, but later expanded it to colleges in the Boston area, the Ivy League, and Stanford ' +
            'University. It gradually added support for students at various other universities and later to high-school students.'
        },
        {
            header: { 'text': 'WhatsApp' },
            content: 'WhatsApp Messenger is a proprietary cross-platform instant messaging client for smartphones that operates ' +
            'under a subscription business model. It uses the Internet to send text messages, images, video, user location and ' +
            'audio media messages to other users using standard cellular mobile numbers. As of February 2016, WhatsApp had a user ' +
            'base of up to one billion,[10] making it the most globally popular messaging application. WhatsApp Inc., based in ' +
            'Mountain View, California, was acquired by Facebook Inc. on February 19, 2014, for approximately US$19.3 billion.'
        }
    ]
});
tabObj.appendTo('#element');

var tooltip = new ej.popups.Tooltip({
  target: '.e-toolbar-item',
  position: 'TopCenter',
  content: '',
  beforeRender: onBeforeRender
 });
tooltip.appendTo('#Tooltip');

function onBeforeRender(args) {
  if (args.target) {
      this.content = `<div>` + args.target.innerText + `</div>`;
  }
}
<!DOCTYPE html><html lang="en"><head>
    <title>Essential JS 2 Toolbar</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Toolbar Controls">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/26.2.4/material.css" rel="stylesheet">
    <link href="https://ej2.syncfusion.com/angular/demos/src/toolbar/toolbar.component.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/26.2.4/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="Tooltip"><div id="element"></div></div>
        <br><br>
        <div id="result"></div>
    </div>


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