How To Add Remove Toggle Class In Javascript [ with Source code ]

How To Add Remove Toggle Class In Javascript [ with Source code ]

In This Javascript Tutorial we will See How To Add, Remove, or Toggle, and Show All className of an HTML element using JS And Netbeans Editor .

In This Javascript Tutorial we will See How To Add, Remove, or Toggle, and Show All className of an HTML element using JS And Netbeans Editor .

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Project Source Code:


<!DOCTYPE html>
<html>
    <head>
        <title>Add - Remove - Toggle - Show Classes</title>
        <meta charset="windows-1252">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">

        <style>

             div{background-color: #999;width: 200px;height: 80px}
            .class1{border:2px solid red;}
            .class2{background-color: yellow;}
            .class3{margin-left: 50px;}
            .class4{width:300px;}

        </style>

    </head>
    <body>

        <div class="class2 class3 class4" id="box"></div><br>
        <button onclick="addClass();">Add Class</button>
        <button onclick="removeClass();">Remove Class</button>
        <button onclick="toggleClass();">Toggle Class</button>

 <script>

          // show element class list
          var box = document.getElementById("box");
          var cList = box.classList.toString();
          console.log(cList);

         // add class to the div
          function addClass()
          {
              box.classList.add("class2");
          }

          // remove class from the div
          function removeClass()
          {
              box.classList.remove("class2");
          }

          // toggle the class from the div
          function toggleClass()
          {
              box.classList.toggle("class1");
          }

        </script>

    </body>
</html>

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