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<!DOCTYPE html>
<html>
<body>
​
<h1>Array keys()</h1>
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<p>Create an Iteration Object from the fruit array.</p>
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<p>The Iteration object will contain the keys of the array:</p>
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<p id="demo"></p>
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<p><strong>Note:</strong> The keys method is not supported in IE 11 (and earlier versions).</p>
​
<script>
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var fk = fruits.keys();
​
for (x of fk) {
  document.getElementById("demo").innerHTML += x + "<br>";
}
​
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_keys by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:01:26 GMT -->
</html>
​
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