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How do I empty an array in JavaScript?

To empty an array in JavaScript, set the variable to empty:

arr = []

Example

You can try to run the following code to empty an array in JavaScript:

<html>
   <head>
      <title>JavaScript Arrays</title>
   </head>
   <body>
      <script>
         var arr = ["orange", "mango", "banana", "sugar", "tea"];
         document.write("<br />Original array: " + arr );
   
         arr = [];
         document.write("<br />Current array: " + arr );
      </script>
   </body>
 </html>