remove and add class in javascript code example

Example 1: javascript remoev css class

//remove a css class from an element
document.getElementById("myElementID").classList.remove("class_name");

Example 2: jquery remove class

//Remove this same line after copying
Basic Syntax:
$(element).removeClass( "myClass yourClass" )
-------------------------------------------------------------------------------------
  
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 3: jquery remove class

$("#div1").on("click", function () {
    if ($(this).hasClass("active")) {
      setTimeout(function () {
        $("#div1").removeClass("active");
      }, 10);
    }
  });