how to remove class from link jquer code example

Example 1: jquery remove and add class

$( "#foo" ).toggleClass( 'className', addOrRemoveOptional );

//OR
if ($( "#foo" ).hasClass('className')) {
	$( "#foo" ).removeClass( 'className');
} else {
  $( "#foo" ).addClass( 'className');
}

Example 2: jquery remove class

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