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This article focuses on "how jquery changes element values according to id". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn how jquery changes element values according to id.

Jquery changes the value according to the id method: 1, set the id attribute to the element; 2, use the "$(" # id attribute value ")" statement to get the specified element object; 3, use the "element object .html (" new value ")", "element object .text (" new value ")" or "element .val (" new value ")" statement to modify the element value.

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

Jquery changes element values according to id

Implementation steps:

Sets the id attribute for the specified element

Use the "$(" # id attribute value ")" statement to get the specified element object

Use the jquery method to modify the value of the specified element

There are three ways to modify element values:

Using text (), you can set the text content of the selected element.

Using html (), you can set the content (innerHTML) of the selected element.

Using val (), you can set the value of the input element

Example 1: using text ()

$(document) .ready (function () {$("button") .click (function () {$("# xg"). Text ("Hello world!");}) Modify the text content of the p element of id= "xg". This is a paragraph.

This is another paragraph.

Example 2: using html ()

$(document) .ready (function () {$("button") .click (function () {$("# xg"). Html ("Hello world!");}) Modify the text content of the p element of id= "xg". This is a paragraph.

This is another paragraph.

Example 3: using val ()

$(document) .ready (function () {$("button") .click (function () {$("# name"). Val ("Hello www.yisu.com");}) Modify the text content of the input element of id= "name"

User name:

At this point, I believe you have a deeper understanding of "how jquery changes element values according to id". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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