The use of push () in JS

Source: Internet
Author: User

Definition and usage

The push () method adds one or more elements to the end of the array and returns the new length.


Grammar

Arrayobject.push (Newelement1,newelement2,...., newelementx)

Parameters Description
Newelement1 Necessary. The first element to add to the array.
Newelement2 Optional. The second element to add to the array.
Newelementx Optional. You can add multiple elements.

Instance

In this example, we will create an array and change its length by adding an element:

var arr = new Array (3);
Arr[0] = "George";
ARR[1] = "John";
ARR[2] = "Thomas";
document.write (arr + "
") document.write (Arr.push (" James ") +"
") document.write (arr);
Output:
George,john,thomas
4
George,john,thomas,james

The use of push () in JS

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.