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How to find particular class exists on a page using JQuery

I want to write JQuery which will find whether Class="Mandatory" exists on the page and if any element is having this class then only perform certain action.

Thanks

Solution

  • Just check how many elements you hit, when you search for it with 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();
    }); 
}

    EDIT If you wanna do that check for your submit button click, just do that check after the click:

    $("input[type='submit']").click(function() {
    if ($(".Mandatory").length > 0) {
        // Do some code here
    }
});