How to iterate over arrays and objects in jQuery?



To iterate over arrays and objects in jQuery, use the jQuery forEach() loop. You can try to run the following code to learn how to iterate over arrays and objects −

Example

Live Demo

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("#button1").click(function(){
    var arr = [{subject: "Maths", id:3}, {subject: "History", id:7}];

    arr.forEach(function(el, index) {
      alert(el.id+" "+el.subject);
    });
  });
});
</script>
</head>
<body>

<button id="button1">
  Result
</button>

</body>
</html>

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