adding class jquery code example

Example 1: jquery addclass

$("#elem").addClass("classname");

Example 2: addclass jquery

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

Example 3: jquery addclass

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

Example 4: how to add class on the base of has class in jquery

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