Answers for "jquery if class exists"

detect if an element has a class jQurey

$("#EL_ID").hasClass("CLASS_NAME");

if a class exists jquery

if ($(".mydivclass").length){
    // Do something if class exists
} else {
    // Do something if class does not exist
}

jquery check if a class exists

if ($(".mydivclass")[0]){
    // Do something if class exists
} else {
    // Do something if class does not exist
}

jquery check if element has class starting with

/* Answer to: "jquery check if element has class starting with" */

if(!$(this).is('[class*="answerbox"]')) {
    //Finds element with no answerbox class
} else {
    //The element has already an answerbox class
}

jQuery check if class contains any element

jQuery(function ($) {
	if ($(".className").length == 0) {
		$(".element").removeAttr("style").hide();
	}else{
		$(".element").removeAttr("style").show();
	}	
});