how to add class on the base of has class in jquery

$( "p" ).removeClass( "myClass noClass" ).addClass( "yourClass" );

4
1
Apsillers 105 points

                                    $( "p" ).addClass( "myClass yourClass" );

4 (1 Votes)
0
3.83
6

                                    $( "ul li" ).addClass(function( index ) {
  return "item-" + index;
});

3.83 (6 Votes)
0
4.33
6
JevgeniD 85 points

                                    <!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>addClass demo</title>
  <style>
  p {
    margin: 8px;
    font-size: 16px;
  }
  .selected {
    color: red;
  }
  .highlight {
    background: yellow;
  }
  </style>
  <script src="https://code.jquery.com/jquery-3.5.0.js"></script>
</head>
<body>
 
<p>Hello</p>
<p>and</p>
<p>Goodbye</p>
 
<script>
$( "p" ).last().addClass( "selected highlight" );
</script>
 
</body>
</html>

4.33 (6 Votes)
0
0
2
Slammins 110 points

                                    <!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>addClass demo</title>
  <style>
  p {
    margin: 8px;
    font-size: 16px;
  }
  .selected {
    color: blue;
  }
  .highlight {
    background: yellow;
  }
  </style>
  <script src="https://code.jquery.com/jquery-3.5.0.js"></script>
</head>
<body>
 
<p>Hello</p>
<p>and</p>
<p>Goodbye</p>
 
<script>
$( "p" ).last().addClass( "selected" );
</script>
 
</body>
</html>

0
0
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