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Example of using createTextRange() contains some text content selected in the text box

The code copy is as follows:<script language="javascript"> function test() { var rng=document.body.createTextRange(); alert(rng.text) } fu

2025-03-19
The CSS centering code for JS printing interface is suitable for all browsers

Copy the code code as follows: function preview(oper) { if (oper < 10) { bdhtml = window.document.body.innerHTML;//Get the html code for the current page sprnstr = "<!

2025-03-19
Use JS to switch pictures or display pictures with special effects

When making web pages, you need to use JS to display images with special effects. The following is a simple image switching using JS. Copy the code code as follows:<html><head><script type="JavaScript"> var srr = new Array('图片一',

2025-03-18
Detailed explanation of mobile HTML5 audio and video problems and solutions

Recently, we are studying the use of video to replace animation, and the use of video to replace sprite animation. We call this kind of video interactive video. Traditional sprite animation: large disk space, slow downloading, especially online playback,

2025-03-18
Detailed explanation of new tags in HTML5

HTML 5 is a new web standard that aims to replace the existing HTML 4.01, XHTML 1.0 and DOM Level 2 HTML standards. It hopes to reduce the number of browsers that require plug-in-based rich in-network application services.

2025-03-18
JS small function (offsetLeft realizes image scrolling effect) example code

Effect: Code: Copy the code. The code is as follows: <head runat="server"><title></title><style type="text/css">#div1{width: 245px;height: 150px;background: r

2025-03-18
Introduction to the use of the sort() method of arrays in javascript

Copy the code code as follows:<html><head><title> sort() method of array</title><script> /* sort() 1、没有产生副本，直接引用原数组 2、如果调用该方法时没有使用参数，将按字母顺序对数组中的元素进行排

2025-03-18
Add double-click event sample code to ListBox

Copy the code code as follows:<script type="text/javascript"> function JsListChangeItem() { document.getElemen

2025-03-18
2 solutions to xmlhttp cache clearing

Method 1: Add the If-Modified-Since header. When xmlhttp is called multiple times, it always displays the cached page. Try adding the corresponding http header in php or asp to explicitly not cache, but it has no effect!! Now I finally found a way. Just s

2025-03-18
JS Get information codes such as browser and screen width and height

The visible area width of the web page: document.body.clientWidth The visible area height of the web page: document.body.clientHeight The visible area width of the web page: document.body.offsetWidth (including the width of the edge line) The visible area

2025-03-18
Overview of the Math object method in JavaScript

1. Discard the decimal part and keep the integer part of PARSEINT (5/2) 2. Take up upwards. If there is a decimal part, add 1Math.ceil (5/2) 3, four houses and five entry .math.round (5/2) 4, to the direction Math.floor (5/2) Math object method FF: Fire

2025-03-18
HTML5 single page gesture sliding screen switching principle analysis

The H5 single -page gesture sliding screen switch is implemented using the HTML5 touch event (Touch) and CSS3 animation (transition). The renderings are shown below. This article briefly tells its implementation principles and main ideas. 1. There are 5 p

2025-03-18
JavaScript implements code to sort text according to pinyin

Copy the code code as follows:<title> JavaScript sorts text according to pinyin </title><SCRIPT type="text/javascript">function defaultSort(){var a="zhongguo,daguo,世

2025-03-18
HTML5 web music player sample code

This article introduces the sample code of the HTML5 web music player and shares it with everyone. The details are as follows: 1 Function introduction The audio and video tags are introduced in HTML5, which allows us to play audio and video directly witho

2025-03-18
Canvas off-screen technology and magnifying glass implementation code example

In addition to using canvas to implement filters, you can also use off-screen technology to function like a magnifying glass. For the convenience of explanation, this article is divided into 2 application parts: implementing watermark and center zoom and

2025-03-18

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