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Web design tutorial

Use JavaScript to disable all text boxes, drop-down menus, and multi-line text fields on the web page

The principle is to loop through the controls on the web page, and then set the disabled attribute to true. The code is as follows: Copy the code and the code is as follows: <script type="text/javascript">var nodeList = document.getElementsByTa

2025-02-09
Mobile tablet and other mobile terminals adapt to js of URL JS code

Copy code code as follows: <script type="text/javascript">if(/AppleWebKit.*mobile/i.test(navigator.userAgent) || (/MIDP|SymbianOS|NOKIA|SA

2025-02-09
A brief analysis of the defects of for in in js

The for in statement is used to list the properties (members) of an object. Copy the code as follows: var obj = { name: "jack", getName: function() { return this.name}}; // Output name, getName for ( var

2025-02-08
Document.execcommand () usage summary

The first thing to explain is that it is not well supported under Firefox. 2D-POSITION allows objects that move absolute positioning by dragging movement. AbsOluteposition sets the POSITION attribute of the element as "absolute" (absolutely). Ba

2025-02-08
JS judging whether characters are two ways of Chinese characters

Sometimes it is necessary to determine whether a character is a Chinese character. For example, when the user enters the content containing Chinese and English, you need to judge whether it exceeds the prescribed length. There are usually two methods to j

2025-02-08
Click to show the method to hide other peer elements

The code copy is as follows:

2025-02-08
Sample code for drawing emoticons on canvas

This article introduces the sample code for drawing emoticons on canvas and shares it with everyone. The details are as follows: Drawing cartoon smiling faces var canvas = document.getElementById(canvas); var context = canvas.getContext(2d);

2025-02-08
Javascript implements a small example of returning to the previous page and refreshing it

Today I wrote a small page that prompts success. It also requires returning to the previous page and refreshing the operations on the previous page (such as deletion and addition). I searched it online and found that basically 90% of the results are corre

2025-02-08
Detailed explanation of Android and HTML hybrid development summary

Many APPs now have HTML5 pages embedded in them, such as those that change frequently. Some pages require native Java to interact with js in HTML5. Here is an introduction to the use of HTML5 in Android: 1. About HTML5 cookie web pages Many parameters suc

2025-02-08
js dynamically create upload form to simulate Ajax through iframe to achieve refresh-free

The code copy is as follows:<script> window.onload=function(){ upfile('file.php'); } /* ** url 路径 **/ function upfile(url){ //创建iframe var

2025-02-08
Solution to embed any font in a web page

Font usage is an indispensable part of web design. Often, we want to use a specific font in a web page, but the font is not a built-in font for mainstream operating systems, so that users may not be able to see the real design when browsing the page.

2025-02-08
Detailed explanation of how to invoke local app through H5 (browser/WebView/other)

I received a wireless request two days ago. As a novice, I have been busy for several days... There is a link on the page. If the user has installed the APP, click to open the corresponding APP. If the user has not installed it, click to open the correspo

2025-02-08
JavaScript to get the method of elemental value in the page in iframe

IE method: document.frames ['myframe']. Document.GetelementByid ('test'). Value; Firefox method: document.GetelementByid ('myframe'). Contentwin

2025-02-08
Function to determine whether the input is Chinese using js

Examples are as follows: Copy the code code as follows: function ischinese(s){var ret=true;for(var i=0;i<s.length;i++)ret=ret && (s.charCodeAt(i)> =10000);return r

2025-02-08
Set up LNMP environment

Building an LNMP environment. The system environment of the website server is mainly Linux and Windows. Since Linux is more secure than Windows, not to mention Dotcpp is a place to cultivate professional talents, so our tutorial abandons Windows and uses

2025-02-08

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