if page has class jquery code example

Example 1: jquery check if a class exists

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

Example 2: if a class exists jquery

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

Example 3: how to find a name of class from page in jquery

if ($(".Mandatory").length > 0) {
    // Do stuff with $(".Mandatory")
    $(".Mandatory").each(function() {
        // "this" points to current item in looping through all elements with
        // class="Mandatory"
        $(this).doSomejQueryWithElement();
    }); 
}

Example 4: how to find a name of class from page in jquery

if ($('.Mandatory').length > 0) {
  //do your thing
}

Example 5: how to find a name of class from page in jquery

$('.Mandatory').each(function(){
  //do your thing
});