How to remove an element from an array using its index?


If you want to remove an element from an array using its index, then you simply use splice() method.

This method can be used to add and remove the element from the array in javascript.

Have a look at the below function :

function removeFromArrayByIndex(arr, index) {

arr.splice(index, 1);

}

test = new Array();

test[0] = ‘onion’;

test[1] = ‘tomato’;

test[2] = ‘beans’;

test[3] = ‘peas’;

//alert(“Array before removing elements: “+test);

removeByIndex(test, 2);

//alert(“Array after removing elements: “+test);

Check the results by the alerts.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.