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Editorial Team
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Asked: 2026-06-13T05:33:26+00:00

I need to remove the class which have a specific string. I did try

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I need to remove the class which have a specific string.
I did try the following but it does not work. 

<body class="myClass someStringAndOtherString"></body>

$('body').removeClass('class', ':contains("someString")');

Any ideas?

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1 Answer

  1. Editorial Team

    To remove the class ‘someString’ do the following:

    $('body').removeClass('someString');

    To remove all classes if the ‘someString’ class is found:

    $('body').hasClass('someString').removeAttr('class');

    To remove a class that contains a string:

    LIVE DEMO

    // test if someString is present
if( $('body').attr('class').indexOf('someString') != -1){
     // get classes as array
     var classes = $('body').attr('class').split(' ');
     // loop over array
     for(i=0;i< classes.length; i++){
          // is this class a class that contains someString?
          if(classes[i].indexOf('someString') != -1){
              // remove said class
              $('body').removeClass(classes[i]);
          }
     }
}

    Or here it is as a function:

    LIVE DEMO

    function removeClassesThatContainString(selector, someString){
    var $selector = $(selector),
        classAttr = $selector.attr('class');
    if(classAttr.indexOf(someString) != -1){
        var classes = classAttr.split(' ');
        for(i=0; i<classes.length; i++){            
            if(classes[i].indexOf(someString) != -1){
                $selector.removeClass(classes[i]);
            }
        }
    }
}

    then it would be:

    removeClassesThatContainString('body', 'someString');
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