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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Array.map()</h2>
​
<p>Creates a new array by performing a function on each array element.</p>
​
<p id="demo"></p>
​
<script>
var numbers1 = [45, 4, 9, 16, 25];
var numbers2 = numbers1.map(myFunction);
​
document.getElementById("demo").innerHTML = numbers2;
​
function myFunction(value, index, array) {
  return value * 2;
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_array_map by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:28:14 GMT -->
</html>
​
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