JS implements two sets of CSS switching code for a single HTML page

Today I have studied how JS uses the setattribute method to implement two style sheets on a page. The specific method is as follows: Step 1: Define an ID in the element connecting to the style sheet, for example CopyCode The Code is as follows:

Summary of CSS selector application in flex4.5

CSS selectors can include the tag selector, category selector, ID selector, intersection selector, Union selector, descendant selector, global selector, and pseudo class. These style applications have been supported in flex. 1. Tag SelectorThe tag

Write the CSS coverage test script with only 20 lines of code.

Document. styleSheets stores a set of all CSS rules on the current page. You can traverse all the selectors defined in the page and access the selectorText attribute to obtain the matching rules of the selector. Then, pass the rule to document.

Introduction to jquery css

Document directory Operate CSS using jQuery JQuery size Method Operate CSS using jQuery AddClass ()-add one or more classes to the selected Element RemoveClass ()-delete one or more classes from the selected Element ToggleClass ()-

Dynamic Loading of js and css (external files)

Copy codeThe Code is as follows: // dynamic loading of external js files Var flag = true; If (flag ){ LoadScript ("js/index. js "); }; Function loadScript (url ){ Var script = document. createElement ("script "); Script. type = "type/javascipt

Drag the table title to change the size of td (css + js Code)

Copy codeThe Code is as follows: drag a table with column width NO. Company Name Order customer Department Salesman Payment Method 1 China Telecom order customer name advertising department Wang Tianyi

Implementation of jquery + css + ul simulated list menu

Copy codeThe Code is as follows: jquery simulates the select list menu effect using ul Select... Option 1 Option 2 Option 3 Option 4 Option 5 Implementation resultClose the work!

Query Javascript CSS Selector engine

Query is a javascript css selector engine that is compact and powerful. It is compressed for about 2 K and can be easily integrated into the code.Support for browsers IE6 +, Firefox, Chrome, Safari, and Opera SelectorQuery (selector [, context])Div#

How to Use jquery to dynamically load js and css files to implement code

Use jquery to dynamically load js and css files Copy codeThe Code is as follows: $. extend ({ IncludePath :'', Include: function (file ){ Var files = typeof file = "string "? : File; For (var I = 0; I Var name = files [I]. replace (/^ \ s | \ s

Explanation of css transform 3D slide effect implementation steps

Js Copy codeThe Code is as follows: $ (function (){ Var length = $ (". container a"). length; Var $ items = $ (". container "); $ Items. on ("transitionend", function (event ){ $ Items. removeClass ("trans "); }); $ (". Container a"). each

JQuery + CSS achieve menu sliding and stretching (similar to Taobao)

The function is very practical and the code is very simple Result 1. Result 2. The style code is as follows: Copy codeThe Code is as follows: body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, br, pre, form, fieldset, input, textarea, p,

JQuery + css + html page mask pop-up box

The page mask pop-up box is the most common case. Today, we use jQuery to implement the page mask pop-up box. The main technologies used include JQuery, css, and html, The html code is as follows: Copy codeThe Code is as follows: click here to

Code for implementing DIV + CSS + JS continuous horizontal scrolling

DIV + CSS + JS implements uninterrupted horizontal scrolling code Copy codeThe Code is as follows: div css code scrolling horizontally without interruption-DIVCSS5 DIVCSS5 demo Description: Scroll left

JQuery + css implement image scrolling effect (with source code)

Source code download BxCarousel parameter description:Move: the number of images to be moved each time. The default value is 4.Display_num: Number of displayed images. The default value is 4.Speed: The image scrolling speed. The default value is 500

Principle and code of jQuery + CSS semi-open folding effect (self-writing)

A project wants to use jQuery to create a DIV element that can be semi-folded, so it writes it by itself because accordion does not provide relevant methods in jQueryUI. In the past, when using jQueryUI, we found that all the accordion that can be

Javascript + CSS makes the DIV layer (minimized, drag/drop/sort) function to implement code

Copy codeThe Code is as follows: DIV layer minimization and drag/drop sorting made by JS + CSS & Lt; table width = "100%" & gt; Baidu click here to drag - x address: http://www.baidu.com keywords: Note: & Lt; table

Javascript + html + css: Move the div with the mouse

Js: Copy codeCode: var posX; Var posY; Fdiv = document. getElementById ("divBody "); Document. getElementById ("divHead"). onmousedown = function (e) { If (! E) e = window. event; // IE PosX = e. clientX-parseInt (fdiv. style. left ); PosY = e.

JS judges different resolutions and calls different CSS style file Implementation ideas and test code

I recently read a website and found that different resolutions of the display and style files are called differently. Today I wrote an example to study it, Copy codeThe Code is as follows: untitled document Content in c1.css Copy

CSS (js) limits the length of text characters displayed on the page

Copy codeThe Code is as follows: homepage homepage contribution contribution private message private message archive archive subscription subscription If I limit the characters in the span above.$ (

Detailed description of how to merge multiple js and css files

In the development of Web projects, js and css files will become larger and larger with the development of projects, which brings some performance problems, such as js introduced by pages, the more css, the higher the number of http requests. A good

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