How jquery changes element values according to id
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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:
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