jquery check if class is present code example

Example 1: detect if an element has a class jQurey

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

Example 2: jquery check if a class exists

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

Example 3: if a class exists jquery

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