JavaScript

1. switch to the working directory git checkout step-4 # Switch to the branch and switch to step 2 npm start # start Project 2. code app/index.html copy Code Search: Sort: Alphabetical Newest {{ phone. name }}{{ phone. snippet }} copy the

Recently, the project encountered the problem of table cell merging. The requirement was as follows: First, send an ajax request to dynamically generate table data after the data is returned, however, if the number or (based on other content) are

The simplest way is to determine the matching length of elements. For example, HTML code:Copy codeThe Code is as follows: Generally, our approach isCopy codeThe Code is as follows: if ($ ('. mydiv'). length> 0) Reliable and error-free practices:

1. substring Method Definition and usage The substring method is used to extract characters of a string between two specified subscripts. Syntax StringObject. substring (start, stop) Parameter descriptionStart is required. A non-negative integer

First, write a simple html code and set a div object named parentDiv. The html code is as follows: 1.1 achieve horizontal text Center (UseText-align) Set text-align: center; for div. parentDiv. The CSS code is as follows: { :; :; :; :;

One common way to export a table as an Excel file in Js is to call ActiveXObject ("Excel. application "), but this method has limitations and can only be implemented in browsers in the IE series, but the compatibility is not ideal. After testing,

Recently, I am working on a game project. Many projects need to use dialog boxes and images made by artists. It seems that it is difficult to find some ready-made dialog box controls, as a result, I thought that I could make a general control.

Preface I have been familiar with JavaScript for a while, but I have learned a lot about it. A lot of basic knowledge is still lacking. Therefore, we began to use blogs to slowly record and accumulate this part of knowledge. I believe that this part

I. sort arrays by using sort () in common array sorting js. The sort () method has an optional parameter, which is a function used to determine the order of elements. If this parameter is omitted, the elements in the array are sorted in the ASCII

I. Events 1. Load DOM $ (Document). ready () is described in detail in section 1. 2. Event binding JQuery defines the bind () method as a unified interface to bind an event handler for each matching element. Basic Syntax: bind (type, [data], fn

Js read/write cookie // JS cookies operation method!// Write cookiesFunction setCookie (name, value){Var Days = 30;Var exp = new Date ();Exp. setTime (exp. getTime () + Days x 24x60*60*1000 );Document. cookie = name + "=" + escape (value) + ";

Effect: HTML code: JS Code: $ (Function () {// external DIV var imageWrap = $ ('. vfx-image-wrap '), // foreground image topImage = $ (this ). find ('. before-image'), // split line divider = $ (

In js, the function type is actually an object, and each function is an instance of the function type. It has the same attributes and methods as other reference types. Statement 1 Normal Mode Function sum(num1,num2){Return num1+num2;} 2. Use

// JavaScript Document // Add to favorites add function AddFavorite (sURL, sTitle) {try {window. external. addFavorite (sURL, sTitle);} catch (e) {try {window. sidebar. addPanel (sTitle, sURL, "") ;}catch (e) {alert ("failed to add to favorites,

Checks the browser version, core, system, and mobile terminal. Copy codeThe Code is as follows:/*** Check browser version* @ Authors K* @ Date 2014-04-11 14:48:39* @ Version 1*/ /*** Detect browser info with navigator userAgent* @ Return object

Copy codeThe Code is as follows:// Different actions are submitted in the input box below. Use onclick to jump and write a js method.

As a front-end developer, it is often encountered in Webpage display. The title is too long and the string needs to be intercepted. If CSS is used for implementation, there are various compatibility problems and pitfalls.Let the background program

Why does JS use Microsoft. XMLDOM to read remote XML files? As a matter of fact, we can see from an example that we have recently created an ajax page to remotely read weather information. Weather Information is the content of a remote website and

Javascript checks whether the check box is selected. The following example shows how to check the check box (there are currently a set of check boxes ): apple orange banana grape You can obtain the value of a set of check boxes for name =

The replace function is used to replace strings in javascript, but in actual use, it is found that this function only replaces the first character to be matched, which makes people very uncomfortable, in php, replace implements global matching and