Demo - jquery-check-if-value-exists-in-array

Edit This Code :

<html>
<head><script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
</head>
<body>

<script> 
$(document).ready(function(){
 var arrFruits = ['apple', 'mango', 'orange', 'grapes', 'banana'];

if ($.inArray('mango', arrFruits) >= 0) {
    console.log('Value exists in Array variable');
} else {
    console.log('Value Not exists');
}
});

</script>
</body>
</html>

Result :