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  • How to add/remove class to an element on keyup event with jQuery?

    @babita.dhami
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    We can add or remove a class to an element very easily by using addClass() and removeClass() methods. To do this on keyup event of a textbox we just need call these functions when we bind keyup event to textbox.

    Example: 

    <input id="search-box" type="text" placeholder="search city...."/>
<input type="button" id="search-submit" value="Search" />

$(function(){

$("#search-box").on("keyup", function(){
               if($("#search-box").val() == ""){
                $('#search-submit').addClass("not-active-search");
               } else {
                $('#search-submit').removeClass("not-active-search");
               }        
            });
});

    Hope this will help you :)

    Java jsp JQuery keyup addclass removeclass
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