The "delete" operator removes an array element, but oddly does not change the size of the array.
<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>
This producesNumber of days:7Number of days:7 Javascript
Topic: JS HTML DOM
How to delete an entry using JavaScript?
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