JavaScript

Create a welcome cookie.With the w3s document learning, the JavaScript Cookie Welcome page is finally expanded. Share your own cookie learning experience here. , I hope to be helpful to everyone. I'm not here to explain all the official explanations

When JavaScript declares variablesvar AAA = 111;AndAAA = 111;Is it the same in two different ways?Say less nonsense, first on the code.var aaa = one; function test4 () { var aaa = $;} Test4 (); Console.log (AAA);What was the result?11This is a

1. Type of ObjectObjects are instances of a particular reference type, and new objects are created in two ways:I, using the new operator to call the constructor to create.1 var New Object (); 2 person.name = "Zhangsan"; 3 person.age = 20;II. Using

There are two ways to use Third, the general wording of the reference external JavaScript file is: (note that you should not add extra in the middle of tags JavaScript code. If it is included, it is ignored. ）Iv. in comparison with external

Before using SEAJS Modular development, directly on the page reference JS will be prone to conflict and dependency related issues, the specific problems are as followsIssue 1: Many people develop scripts prone to conflict (such as global parameter

Because of the nature of its run-time bindings, this meaning in JavaScript is much richer, and it can be a global object, the current object, or any object, depending on how the function is called. The invocation of a function in JavaScript has

Variable declaration "was advanced"The syntax of JavaScript is similar to C, Java, C #, and is collectively referred to as Class C syntax. Students with C or Java programming experience should be familiar with the "declare first, later use" rule,

Transferred from: http://blog.leapoahead.com/2015/08/31/understanding-js-this-keyword/When writing JavaScript applications, we often use this keywords. So this how exactly does the keyword work? What are the good places in its design and what are

This is cool with this, record it.For the extension of Date, convert date to a specified format of string//months (m), days (d), hours (h), minutes (m), seconds (s), quarter (q) can use 1-2 placeholders,//year (Y) can use 1-4 placeholders,

Here are the. Http://stackoverflow.com/questions/3010840/loop-through-array-in-javascript 1. The best answer is the for-in is used to iterate over the properties of the object, which can be used to iterate over the array of problems, so the

Dom is the short name of the Document Object model, the basic idea of DOM is to parse a structured document into a series of nodes, composed of these nodes into a number of Dom trees, all of these nodes and the final tree structure has a unified

A clever use of JavaScript functions: Assuming that the action has a Jsonobject type of object data, its value may be empty, the foreground JSP page in the JS code would like to directly through the El expression, that is, the form of ${data} to

Garbled error in the gbk file of the JS request Server When JS obtains a file whose server encoding format is gb2312, the content is garbled. The ajax network request uses XMLHttpRequest internally. Therefore, you need to set the encoding format

Solve the Problem of garbled gbk file on the JS request server, jsgbk When JS obtains a file whose server encoding format is gb2312, the content is garbled. The ajax network request uses XMLHttpRequest internally. Therefore, you need to set the

The simplest Table tab effect implemented by JS, and the simplest table tab of js This article describes the simplest Table tab effect implemented by JS. Share it with you for your reference. The details are as follows: This is the simplest Table

N suggestions for writing high-performance Javascript code, high-performance javascript Javascript has been playing an important role in web application development for many years, but many developers tend to ignore some performance knowledge,

JS + CSS achieves the effect of switching different sliding doors like Yahoo!, css sliding doors This article describes how JS + CSS achieves Yahoo-like alternative sliding door switching. Share it with you for your reference. The details are as

Make a PX pixel fragment and a PX pixel Fragment boardTest click 1 click 2

In IE 7, the text-indent attribute is changed to the margin attribute BUG, text-indentmargin Problem Source Today, when I was working on the project, I found a problem. By using the text-indent attribute to indent the element, I found that the

The dom element of tag a package is not displayed normally in Some browsers. It appears on Apple and some Android machines, and will not appear in the responsive design of pc and chrome browsers.After access, the dom element of the tag package is