JavaScript method to delete array elements

This example shows how JavaScript can delete an array element. Share with you for your reference. The specific analysis is as follows:

Array elements can be deleted from JS via delete, but the size of the array does not change after the deletion

<script type="text/javascript">
<!--
var days = ["Sunday","Monday","Tuesday","Wednesday",
  "Thursday","Friday","Saturday"];
document.write("Number of days:"+days.length);
  delete days[4];
document.write("<br />Number of days:"+days.length);
//-->
</script>

The output

Number of days:7
Number of days:7

I hope this article is helpful to you in javascript programming.