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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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