Community Learn Tools Library Leisure
search
English
Home > Web Front-end > JS Tutorial > body text

JavaScript gets the code of an element on the page_javascript tips

WBOY
Release： 2016-05-16 18:09:27
Original
1091 people have browsed it

The syntax recommended by W3C standards is to obtain an element in the DOM tree through the document document object. Common methods include getElementById(), getElementsByName(), and getElementsByTagName(). Their functions are through the id attribute and name attribute/tag name respectively. Returns a single node or collection of nodes.

Copy code The code is as follows:

.org/1999/xhtml">


JavaScript method of getting an element on the page


Here is the head


Click on the header to pop up the content of myHeader

























When click:

, pop up:

When click:

, pop up:

When click:

, pop up:

Especially in the following code,


Copy the code The code is as follows:
function getValue (){
var x=document.getElementById("myHeader");
alert(x.innerHTML);
}

involves a knowledge point: HTML DOM innerHTML , the function is all the content from the starting position to the ending position of the object, including the Html tag
Related labels：
element page
source：php.cn
Previous article：Jquery-based code for enlarging picture effects imitating flash_jquery Next article：jQuery front-end data acquisition implementation code_jquery
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
The page suddenly cannot pull css or bootstrap So I'm developing a page, I did part of it yesterday and it worked great, and today I cont...
From 2024-04-06 21:58:04
0
1
800
How to trigger render (with filter and pagination) on sort method in React? Here is my Sort.js style component: <SortWrapper><SortText>SortBy</SortText...
From 2024-04-06 21:28:37
0
1
2257
How to make floated elements stack vertically instead of horizontally in CSS? I'm trying to make a webpage with two columns, with main content on one side and additiona...
From 2024-04-06 20:45:26
0
2
386
How to solve the mysterious white space at the bottom of the page in CSS I'm trying to build a simple webpage using Bootstrap and D3, but I don't know how to get r...
From 2024-04-06 20:22:15
0
1
454
MySQL gets data from multiple tables I have a eg_design table which contains the following columns: and eg_domains table which ...
From 2024-04-06 18:42:44
0
2
479
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template