Improve javascript code execution efficiency by using the inert loading of functions

In javascript code, because of the behavior differences between browsers, we often include a large number of if Statements in the function to check the browser features and solve the compatibility problem between different browsers. For example, the

Adding JavaScript to Favorites (compatible with IE, firefox, and chrome)

Implementation Code:Copy codeThe Code is as follows: Add to favorites When adding javascript to the favorites folder, pay attention to the details. If "rel = sidebar" is not added, the following error occurs: window. sidebar. addPanel is not a

Use javascript code to determine whether a webpage is static or pseudo-static

I have been studying Dedecms recently. before preparing to build a website, I have been trying to use Dedecms without pseudo-static data. Now I have not decided on it, the best way is to see whether the websites of the same type adopt static or

Sample Code for generating random colors using javascript

Copy codeThe Code is as follows: javascript generates random colors the first color block second color block third color block fourth Color Block

JavaScript-based function sharing for verifying image types (extensions)

The foreground call is as follows:Copy codeThe Code is as follows: OnClientClick = "return fucCheckJpgAndGif (form1.File1. value);" -- where File1 is the Upload File Control Function Code:Copy codeThe Code is as follows:Function fucCheckJpgAndGif

The close button is displayed in the simple js pop-up box.

Copy codeThe Code is as follows: simple pop-up box dialog box content close

Code example for jQuery to implement Enter to switch the focus of a text box

The implementation method is as follows:Copy codeThe Code is as follows:JQuery (function (){JQuery ('input: text: first '). focus (); // locate the first text box on the current page.Var $ indium = jQuery ('input: text'); // all text boxes$ Indium.

Using jQuery to reset (reset) Forms

In JQuery, the form is submitted as follows:Copy codeThe Code is as follows: $ ('# yigeform'). submit ()Therefore, we assume that resetting a form is like the following:Copy codeThe Code is as follows: $ ('# yigeform'). reset ()However,

A simple jquery multi-choice drop-down box (self-writing)

The project we are working on today requires a multi-choice drop-down box. I want to find a plug-in on the Internet. However, the plug-ins on the Internet seem messy. I have referred to some plug-ins on the Internet, I wrote a multi-choice drop-down

Methods for automatically folding and expanding Js operation Tree nodes

1. method 1Copy codeThe Code is as follows:Var tree = L5.getCmp ('edocoutfilerelationtree ');// Add a selection tree and automatically fold nodesTree. on ("click", function (node, e ){Node. getUI (). toggleCheck (true );});Tree. root. expand (); 2.

JavaScript determines whether an image is loaded.

You can obtain the image size only after the image is loaded. There are three methods for implementation, which are described below. I. load event img-load event loading... test, "loaded" is displayed in all browsers, indicating that

[6] Learn about the basic case of Bootstrap raster System (1)

From the previous figure, we learned about the grid options, so let's take a look at the actual situation (in fact, it's still a case on the Chinese official website) Ps. I use Google's browser on my computer to observe it. After all, the computer's

Use JavaScript to determine whether the image is loaded

You can obtain the image size only after the image is loaded. There are three methods for implementation, which are described below.I. load eventsCopy codeThe Code is as follows: img-load event loading... In the test, "loaded" is displayed in all

Create an ejs project in Nodejs express to solve the problem of creating jade by default in express and cannot create ejs

Recently I am reading Node. js Development Guide. When you see that nodejs is used for web development, you have encountered a problem when preparing to create an ejs project. The command in the book is: 1 express-t ejs microblog, the jade project

When no width/height is displayed for the element, use currentStyle in IE to get it as auto.

We know that the currentStyle attribute can be used in IE to obtain the actual width and height of an element. However, if the width and height of the element are not displayed, this attribute cannot be used and the obtained value is auto. As

Solution to encoding caused by dynamic creation of scripts caching js files in IE

Let's take a look at the reproduction code.1. gb2312.html the file is encoded as gb2312Copy codeThe Code is as follows: test 2. utf8.js the file is encoded as UTF-8Copy codeThe Code is as follows:Var p = document. createElement ('P ');P. innerHTML

Two ways to convert the left and right angle brackets of HTML into Entity forms

In front-end development, you often need to convert the left and right angle brackets of HTML into Entity forms. We cannot directly display , &, and so on the final webpage. It must be escaped before it can be displayed on the webpage.The Escape

Extjs 4.x get the value of the form CheckBox check box

The CheckBox is used to receive the selected options.(Ignore the poor UI view ):The main code for this pop-up window is as follows:Copy codeThe Code is as follows:Var win = new Ext. Window ({Modal: true,Title: 'Are you sure you want to reject this

Use jquery. sortElements to sort tables

Project to implement the table sorting function.There are many solutions on the Internet, many of which are based on jQuery.Jquery. tablesorter, 17KB in size, but its homepage has some compatibility problems in ie10.DataTables, 75 kb in size,

Js generates dynamic drifting results

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