Tab selection in Vue Tab component

16 Mar 202312 minutes to read

We can able to find the tab selection whether it is selected by user interaction or programmatically way in the selecting and selected event argument with the field of isInteracted. When the user changes the tab through click actions it will return true otherwise, it will return false. The following code example depicts to find the tab selecting the state in selecting and selected events.

<div id='container'>
    <div className="EventLog" id="EventLog" ></div>
      <ejs-dropdownlist id="dropdown" :dataSource='dropdownData' :change='dropdownChange' index='0' floatLabelType="Always"  placeholder="Select Tab Item using dropdown" :fields='fields' ></ejs-dropdownlist>
    <ejs-tab id='element' ref="element" heightAdjustMode='Auto' :selecting='selecting' :selected='selected' height='150px' width='700px'>
            <e-tabitem :header='headerText0' :content="content0"></e-tabitem>
            <e-tabitem :header='headerText1' :content="content1"></e-tabitem>
            <e-tabitem :header='headerText2' :content="content2"></e-tabitem>
            <e-tabitem :header='headerText3' :content="content3"></e-tabitem>
            <e-tabitem :header='headerText4' :content="content4"></e-tabitem>
            <e-tabitem :header='headerText5' :content="content5"></e-tabitem>
            <e-tabitem :header='headerText6' :content="content6"></e-tabitem>
            <e-tabitem :header='headerText7' :content="content7"></e-tabitem>
import Vue from 'vue';
import { TabPlugin } from '@syncfusion/ej2-vue-navigations';
import { DropDownListPlugin } from "@syncfusion/ej2-vue-dropdowns";
export default {
  name: 'app',
     data: function(){
        return {
         dropdownData: [
          { text: 'HTML', Id: 0 },
          { text: 'C-Sharp(C#)', Id: 1 },
          { text: 'Java', Id: 2 },
          { text: 'VB.NET', Id: 3 },
          { text: 'Xamarin', Id: 4 },
          { text: 'ASP.NET', Id: 5 },
          { text: 'ASP.NET MVC', Id: 6 },
          { text: 'JavaScript', Id:7 }
          fields: { text: 'text', value: 'Id' },
          headerText0: { text: 'HTML' },
          headerText1: { text: 'C Sharp(C#)' },
          headerText2: { text: 'Java' },
          headerText3: { text: 'VB.Net' },
          headerText4: { text: 'Xamarin' },
          headerText5: { text: 'ASP.NET' },
          headerText6: { text: 'ASP.NET MVC' },
          headerText7: { text: 'JavaScript' },
          content0: 'HyperText Markup Language, commonly referred to as HTML, is the standard markup language used to ' +
        'create web pages. Along with CSS, and JavaScript, HTML is a cornerstone technology, used by most websites to create visually ' +
        'engaging web pages, user interfaces for web applications, and user interfaces for many mobile applications.[1] Web ' +
        'browsers can read HTML files and render them into visible or audible web pages. HTML describes the structure of a ' +
        'website semantically along with cues for presentation, making it a markup language, rather than a programming language.',

         content1: 'C# is intended to be a simple, modern, general-purpose, object-oriented programming language. Its ' +
        'development team is led by Anders Hejlsberg. The most recent version is C# 5.0, which was released on August 15, 2012.',

        content2: 'Java is a set of computer software and specifications developed by Sun Microsystems, later acquired ' +
        'by Oracle Corporation, that provides a system for developing application software and deploying it in a cross-platform ' +
        'computing environment. Java is used in a wide variety of computing platforms from embedded devices and mobile phones to ' +
        'enterprise servers and supercomputers. While less common, Java applets run in secure, sandboxed environments to ' +
        'provide many features of native applications and can be embedded in HTML pages.',

        content3: 'The command-line compiler, VBC.EXE, is installed as part of the freeware .NET Framework SDK. Mono also ' +
        'includes a command-line VB.NET compiler. The most recent version is VB 2012, which was released on August 15, 2012.',

        content4: 'Xamarin is a San Francisco, California based software company created in May 2011[3] by the engineers ' +
        'that created Mono,[4] Mono for Android and MonoTouch that are cross-platform implementations of the Common Language ' +
        'Infrastructure (CLI) and Common Language Specifications (often called Microsoft .NET). With a C#-shared codebase, ' +
        'developers can use Xamarin tools to write native Android, iOS, and Windows apps with native user interfaces and share ' +
        'code across multiple platforms.[5] Xamarin has over 1 million developers in more than 120 countries around the World ' +
        'as of May 2015.',

        content5: 'ASP.NET is an open-source server-side web application framework designed for web development to produce ' +
        'dynamic web pages. It was developed by Microsoft to allow programmers to build dynamic web sites, web applications ' +
        'and web services. It was first released in January 2002 with version 1.0 of the .NET Framework, and is the successor ' +
        'to Microsoft\'\s Active Server Pages (ASP) technology. ASP.NET is built on the Common Language Runtime (CLR), allowing ' +
        'programmers to write ASP.NET code using any supported .NET language. The ASP.NET SOAP extension framework allows ' +
        'ASP.NET components to process SOAP messages.',

         content6: 'The ASP.NET MVC is a web application framework developed by Microsoft, which implements the ' +
        'model–view–controller (MVC) pattern. It is open-source software, apart from the ASP.NET Web Forms component which is ' +
        'proprietary. In the later versions of ASP.NET, ASP.NET MVC, ASP.NET Web API, and ASP.NET Web Pages (a platform using ' +
        'only Razor pages) will merge into a unified MVC 6.The project is called ASP.NET vNext.',

         content7: 'JavaScript (JS) is an interpreted computer programming language. It was originally implemented as ' +
        'part of web browsers so that client-side scripts could interact with the user, control the browser, communicate ' +
        'asynchronously, and alter the document content that was displayed.[5] More recently, however, it has become common in ' +
        'both game development and the creation of desktop applications.',

        selected: function(args) {
        selecting: function(args) {
        dropdownChange: function(args){
          let tabObj=document.getElementById('element');
         getInteractionDetail:function(interact) {
            let eventlog = interact
            ? 'Tab Item selected by user interaction'
              : 'Tab Item selected by programmatically';
            document.getElementById('EventLog').innerHTML = document.getElementById(
          'EventLog').innerHTML = '<b>' + eventlog + '</b></span>';
  @import "../node_modules/@syncfusion/ej2-vue-navigations/styles/material.css";
  @import "../node_modules/@syncfusion/ej2-vue-dropdowns/styles/material.css";

  #app {
    color: #008cff;
    height: 40px;
    left: 45%;
    position: absolute;
    top: 45%;
    width: 30%;
  .e-content .e-item {
    font-size: 12px;
    margin: 10px;
    text-align: justify;
  #element {
    margin-top: 80px;
    margin-left: 80px;
  #default {
    margin-top: 15px;