JavaScript

I have written about the cache system in my blog before. Since then, my philosophy of JavaScript has changed a lot. In the past, we tried to avoid scaling the prototype. But what is the relationship between them? Unless you are a fool or a special

Looking at the development of a system, it is nothing more than discovering a problem and solving it independently. Therefore, all its modules (or branches) are actually aimed at independent problems, in this way, if we have any better solutions to

Question 1 (Function () {return typeof arguments;}) (); // you can specify the value of the automatically executed function. // Indicates the typeof the arguments object. // usually, there are not many firebugs ...... Question 2 VaR F =

I have some controversy in my article "inertia functions". Some people always confuse inertia functions with cache functions (memoization. Although all results are cached, the biggest difference is that a rewrite function itself does not. Let me

This articleArticleLists the 16 most popular JavaScript frameworks, including jquery, mootools, and zepo mobile JavaScript frameworks that support the touch function of smart phones, if you have better framework recommendations, please share them

In programming, if we do not want or cannot directly manipulate the target object, we can use delegate to create a proxy object to call the method of the target object, so as to manipulate the target object. Undoubtedly, the proxy object must have a

Again and again, I found that JavaScript with bugsCodeThis is because I didn't really understand how JavaScript Functions work (by the way, I wrote a lot of such code ). javascript has the feature of functional programming. When we choose to face it,

we know that JavaScript executes scripts from the inside out during the execution period, so the global object that is farthest from our script, it is very likely that it can be accessed only through several levels of scopes. However, in IE, it

Who is Dmitry baranovskiy? He is the author of Rapha ë L, the world's best open-source JavaScript graphics library. He has also made many JS games and is one of the top JS experts. The following five questions are posted on his blog until another

People who know the data structure should have heard of the hash table data structure. It is a typical non-linear structure that uses key-value pairs to store and retrieve data, it is also called the hash or collection method. In a general linear

Gentle movement. The learning name is tween, short for buffered movement. To switch the page content comfortably, use the fade-in and fade-out effects. To make the page elements move naturally, use the easing effect. These two combinations can be

The W3C team's head was kicked off until javascript1.8.1 supported the trim function (with trimleft and trimright). Unfortunately, only firefox3.5 supported it now. Since the blank spaces on both sides of the string are too common, all major types

To prevent name conflicts with other class libraries, namespaces are required. The following is a simple implementation. content (Function () {If (typeof JS = "undefined" |! JS) {var JS = Window. js ={};} Js. util = {};})();

Over the past few days, I have tossed a photography page to record some of the image fragments that I usually take. It is too troublesome to modify the WordPress filkr album plug-in, so the addresses of all the images are written in static form. it

Transparent effects are one of the simplest effects mentioned by script. aculo. Us. Since it is a special effect, it must involve the concept of time and space. We can use setTimeout and setinterval for time. I personally prefer setTimeout. Although

Google's chrome lab collects incredible experiment projects based on HTML5 canvas and JavaScript. The examples are unique and amazing. I have never thought of combining HTML and JavaScript to achieve this powerful effect. Today, we will share with

Needless to say, this technique is widely used in Form Verification, syntax highlighting, and hazardous character filtering. If a paragraph is long and we don't want to replace it as below, we have to find a solution. STR = Str. Replace (/&(?! #? \

When creating a pie chart or a label cloud, we usually need many colors in two ways. One is to prepare a set of beautiful candidate colors, and the other is to randomly generate colors. When there are many or unknown numbers, I think the latter is

Run Code Box demo-drag any image onto the trashcan src ="/articleimg/2006/07/3791 /drag_drop_trash.gif " timeout =" 600 "newsrc ="/articleimg/2006/07/3791/transparent.gif "> id = dragimage9 src =

We designed an event proxy function in a sterile environment last time, but the performance is a problem. To solve this problem, we need to cache the node set and find that the node set is insufficient to cope with new situations, replace the node