How to delete an array entry using JavaScript?
Submitted by: AdministratorThe "delete" operator removes an array element in JavaScript , 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 produces
Number of days:7
Number of days:7
Submitted by: Administrator
<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 produces
Number of days:7
Number of days:7
Submitted by: Administrator
Read Online JavaScript Job Interview Questions And Answers
Top JavaScript Questions
☺ | How to comment JavaScript code? |
☺ | To write messages to the screen without using "document.write()"? |
☺ | How to make a array as a stack using JavaScript? |
☺ | What is a prompt box? |
☺ | What is the difference between RegisterClientScriptBlock and RegisterStartupScript? |
Top Top World Wide Web Categories
☺ | Cascading Style Sheet CSS Interview Questions. |
☺ | HTML5 Interview Questions. |
☺ | Basic Internet Interview Questions. |
☺ | Domain Name System (DNS) Interview Questions. |
☺ | JavaScript Interview Questions. |