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How to append an item into a JavaScript array?
To append an item to a JavaScript array, use the push() method.
Example
You can try to run the following code to append an item:
<html>
<body>
<script>
var arr = ["marketing", "technical", "finance", "sales"];
arr.push("HR");
document.write(arr);
</script>
</body>
</html>Output
marketing,technical,finance,sales,HR
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