Jquery-Reference-Code/Class-Click.html at master · kugesh-Rajasekaran/Jquery-Reference-Code · GitHub

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<html>
    <style>
    #para{
        font-family: 'Times New Roman', Times, serif;
        color: blue;
   height: 2px;
    }
    .summa{
        color: pink;
    }

    </style>
    <body>
<p id="par">kugesh is a good boy . yes absolutely</p>
<div id="li">
    <ul>
        <li>fifth</li>
        <li>fourth</li>
        <li>third</li>
        <li>second</li>
        <li>first</li>
    </ul>
</div>
<div id="box" style="background:#98bf21;height:100px;width:100px;margin:6px;"></div>
<button id="but" type="submit">click me</button>
<script src="jq\jquery-3.4.1.js"></script>
<script>
 /* $("#but").click(function(){
$("#par").addClass("summa");
  })*///we can add multiple classes also

 /* $("#but").click(function(){
$("#par").removeClass("summa");
  })*/

  $("#but").click(function(){
$("#par").toggleClass("summa");
  })
</script>

    </body>
</html>