JavaScript

Haven't been paying attention to this operator that is constant equal to (three equals: = = =). Later in the actual work encountered, just want to know what is equal and constant equals what is the difference.JavaScript is a weakly typed language,

QA projects may require the client to obtain the parameters of the URL, search for a good solution, recorded in the blog, Save trouble later.Method one: How to break down links Method two: match with regularOriginal link:

　　JavaScript is a scripting language, mainly used in the browser, to achieve the Web page of the Document object operation and some user interaction action processing. Li Tinghui Teacher said 100 episodes video, a more thorough analysis of

Look at the following code:$.ajax ({ URL:' xxxxxxxx ', type:' get ', dataType:' json ', success: function(data) { var json = eval ("(" + Data + ")"); Alert (json["name"]);} );Note: Ajax has set the return value is the JSON

Focus Carousel Map >Primary javascript-focus map to be optimized

by SUNHWGet classnamefunction Returnclassname (className, parentnode) {var parentnode = parentnode? document.getElementById (parentnode): document;var classnames = [];var eles = parentnode.getelementsbytagname (' * ');for (var i = 0, len =

1 Object Typevar person = new Object (); Person.name = "Summer"; and var person = {name: ' Summer '}; is equivalent.2 Array Type(1) var colors = new Array (); and var colors = Array (); and var colors = []; is equivalent.(2) The Length property in

Closures (closure) are a difficult and unique feature of the JavaScript language, and many advanced applications rely on closures.the scope of a variableTo understand closures, you must first understand the special variable scope of JavaScript.The

declaring objects directlyvar dog = {name: ' Benji ', talk:function () {alert (' Woof, woof! ');}}; Alert (typeof (dog));d og.talk ();So the dog object has that attribute and talk function.You can also use

folding menu phase Company name 11 Company name 11 Company name 11 Previous next page Company name 12 Company name 12 Company name 12 Previous next page Company name 13 Company name 13 Company name 13 Previous next page Company name 14

3) Scope chain-related issuesThe scope chain is a very red concept in the JavaScript language, and many programmers who learn and use JavaScript know that the scope chain is the key to understanding some of the concepts that are important in

Recently saw a new JavaScript applet--streams, originally thought to be a common JavaScript class library, but after reading about it, I found that this is not a simple class library, and the author's focus is not the function of this class library,

Use javascript with ajax to read txt file content The code is concise, so there is not much nonsense here. Go to the source code directly. Html code   The Code is as follows: request data   Javascript code   The Code is as

[One day to learn a CSS3 attribute] II: box-shadow, css3box-shadow Today, I am very busy. If I fail to see new things well, record a common CSS3 attribute: box-shadow, which indicates shadow. If border-radius rounded corner is set, the shadow is

Javascript implements switching between values in td, and javascript switches to td I encountered an interview question before the interview. I didn't answer it because I had no thoughts at the time. Today I sorted it out and shared it with you: The

Datagrid extension in jquery-easyui to hide the display header Function Today, you need to add a feature in the background. You can select the displayed columns and save them to the local localStroage. Therefore, the onHeaderContextMenu method of

Some knowledge fragments of JavaScript (1)I plan to raise the Javascript usage level from child to elementary school, and will keep some knowledge points in the near future. Javascript reference mechanism: a reference is established as long as an

JavaScript-basic syntax (4)Global method and Number objectDemonstrate global method and Number Alert (parseInt ("123" + 1); outln (parseInt ("abc"); // NaN, invalid var val = parseInt ("abc "); outln ("value =" + isNaN (val); // isNaN determines if

Node. js database connection Summary Author: zhanhailiang Date:1. Connect to MySQL Mysql: https://www.npmjs.org/package/mysql Instructions for use: node. js mysql package 2. Connect to Redis Redis: https://www.npmjs.org/package/redis

Create tank wars with javascript object-oriented (4)We still have an important feature. That's right, the creation of the enemy tank and the collision detection function when the bullet hits the enemy tank. 5. Create an enemy tank to complete shell