onclick add remove class jquery code example

Example 1: jquery remove class

Basic Syntax:
$(element).removeClass( "myClass yourClass" )
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Html code example:
<p class="red highlight">test1</p>
<p class="red highlight marked">test2</p>
<p class="red highlight">test3</p>
<p class="red highlight">test4</p>

// remove all highlight class from p tag
<script>
	$( "p" ).removeClass( "highlight" )
</script>

// output after execution of this code
<p class="red">test1</p>
<p class="red marked">test2</p>
<p class="red">test3</p>
<p class="red">test4</p>

Example 2: jquery add remove class clicked element

$(function() {
    $('img').click(function() {
       $(this).toggleClass('active');
    });
});

Example 3: jquery remove css class

$("p").removeClass( "myClass yourClass" )