JavaScript

One//various sizes (size)s + = "\ r \ n page Visible area width:" + document.body.clientWidth;s + = "\ r \ n page visible Area High:" + document.body.clientHeight;s + = "\ r \ n page visible Area High:" + Document.body.offsetWeight + "(including

As we all know, in a method invocation, this refers to the object to which the method belongs, such as the following code:Obj.test (Console.log (this// returns TrueHowever, in nested functions, the situation has changed a lot. This needs to be

One, the JSON data sourceJSON Explanation:JSON is a data structure to replace XML, compared with XML, it is smaller but the description is not bad, because it is small so that the network transmission of data will reduce more traffic to speed up, so

The typeof operator describes:TypeOf is a unary operation that can be any type before it is placed in an operand.The return value is a string that describes the type of the operand.Do you know the result of the typeof operation below?typeof

Objective:As you know, using JavaScript makes it easy to use the AddEventListener function to quickly bind a DOM object to one or more event listeners.How do we use this method in JavaScript custom objects and trigger events? This is the core of

Shenzhen Cyber-Life Network marketing You can also become a teacher! Http://blog.chinaiiss.com/bzbxhpie website Construction IE browser no matter what version, always with the Web standard some is not very compatible. For code workers, nature is

/*Basic JavaScript Learning SummaryThis summary uses the DW to write, in order to debug conveniently, will affect the test part to write in the annotation form ****/All tests are shown with the alert () function1, JavaScript special characters//in

Recently, there is a question about interview in the group, the basic knowledge about global variables and local variables is examined:Fun Foo () {var a = b = 0;}Let's choose the values of a and B respectively, perhaps not carefully, we probably

The function of an instance is to add a picture to the HTML img tag.You can encode the image in base64. For examplesrc= "Data:image/gif;base64,myimagedataencodedinbase64= " alt=" My Image data in base "/>Here are a full example of what can

/*Basic JavaScript Learning SummaryThis summary uses the DW to write, in order to debug conveniently, will affect the test part to write in the annotation form ****/All tests are shown with the alert () function1, if conditional sentence function

Four algorithms to achieve this goal: Array.prototype.unique1 = function () { var n = [];//A new temporary array for (var i = 0; i { //If the current array of I has been saved into a temporary array, then skip, //Otherwise push the

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

in general, the object in JavaScript is a pointer to prototype and a list of its own properties. JavaScript uses the idea of copy-on-write when creating objects.only constructors have prototype properties, the prototype chain inherits the creation

JS sets cookie, reads cookie, deletes cookie, and jscookie JavaScript is a script running on the client. Therefore, the Session cannot be set because the Session is running on the server. The cookie runs on the client, so you can use JS to set the

Use JavaScript to replace images randomly. use javascript to replace images. This example describes how to use JavaScript to replace images randomly. Share it with you for your reference. The details are as follows: The following code randomly

Multiple usage tips for JavaScript ternary operators, javascript Operators When I find that the code is too much to write, I will unconsciously Replace the if else with three elements, just without making the code more concise and incisive, of

JavaScript implements the method of passing parameters to setTimeout code, while javascript Passes parameters. This example describes how to pass parameters to the setTimeout code in JavaScript. Share it with you for your reference. The specific

JQuery achieves the carousel Effect of imitation roadside lightbox advertisement images, jquery roadside Special effects This picture is like a lightbox advertisement on the side of the road, a large billboard effect on the side of the road, LED

Popular JavaScript compilation tools (1) There are a lot of small languages on the market, so you can move your code to the Web, which is very easy and has few shortcomings. Each programmer has one or two preferred languages. This year, JavaScript

Clip-path attribute of CSS3, CSS3clip-path attribute First, let's talk about the clip-path attribute. I have never seen this clip-path Attribute before. I searched the internet and found that clip-path originally meant "cut.Clip-path: polygon (x, y)