jQuery addClass example

Change class name on click in jQuery

HTML

<input class = 'form_element'>
<input class = 'form_element'>
<input class = 'form_element'>
<input class = 'form_element'>
<input class = 'form_element'>
<input class = 'form_element'>
<input class = 'form_element'>
<input class = 'form_element'>
<input class = 'form_element'>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;
}

button {
  background: #0084ff;
  border: none;
  border-radius: 5px;
  padding: 8px 14px;
  font-size: 15px;
  color: #fff;
}

#banner-message.alt {
  background: #0084ff;
  color: #fff;
  margin-top: 40px;
  width: 200px;
}

#banner-message.alt button {
  background: #fff;
  color: #000;
}

JavaScript

$(".form_element").on("focusout", function(){
    let do_query = true;
    setTimeout(function(){
         $(".form_element:input").each(function(){ 
           if($(this).is(":focus")){
             do_query = false;
           return false;
           }
         });
         
         if(do_query){
         		console.log("I'm going to perform the query");
         }
         
    }, 200);
 });