Home > Developer > JavaScript

01.4.23 Javascript DOM Learning

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

Dom defines a set of standard objects unrelated to browsers and programming languages to operate HTML and XML documents.

DOM: Level 3: 1. Supported by netscape2, 2. Supported by netscape4... 4.5, 3. Supported by w3cdom, and supported by Internet Explorer

Dom documentation results

<HTML>->

Document Object Access Method: Document: access HTML object (node), that is, object attributes, Method

Sub-objects of window: nvaigator, farmes, history, location, document, open, event, status, screen ........

Document model: Anchors [], applets [], Forms [], embeds [], Links [], images [], selections []

<Fieldset> used to group various elements displayed on the screen

#######################################

######## Obtain operations on elements in a form

Document. Form. element name. element attribute. For example, if pome is the name of textarea document. Form [0]. pone. value, the value in textarea is obtained.

##################

1. hidden object

Two attributes: Name and Value

Stores a global variable in JavaScript.

Note: hidden has no methods and events

2. Buttons

Three: Submit submission, button normal, reset Reset

Here, the submit and reset buttons can be displayed in the form.

 

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

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

    Open a Ticket

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

    Learn More