Removes all or the specified class(es) from the set of matched elements. (optional) One or more CSS classes to remove from the elements $("p").removeClass() [ <p>Hello</p> ] <p class="selected">Hello</p> $("p").removeClass("selected") [ <p class="first">Hello</p> ] <p class="selected first">Hello</p> $("p").removeClass("selected highlight") [ <p class="first">Hello</p> ] <p class="highlight selected first">Hello</p>