JavaScript

UglifyJS is a tool for compressing and beautifying javascript. In its documentation, I see several methods for optimizing if statements. Although I haven't used it for some trial tests, I can see from here that it has done some beautification work

Framer is a JavaScript framework that simplifies the creation of realistic prototypes and achieves complete 3D effects. Define interaction and animation creation in a simple, readable, and powerful way. In addition, Framer Generator is a desktop

  How to separate a drag event from a click event?To do this, do not touch the click event during the drag operation.   Drag me, click me Drag. js     Var Drag = {obj: null, init: function (handle, dragBody, e) {if (e = null) {handle. onmousedown

The underlying implementation of AJAX is provided by the browser. Therefore, any framework or library based on the api only refers to the process of making the optimal extension of ajax requests for the flexibility and compatibility and

I. Scope of Variables To understand closures, you must first understand the special variable scopes of Javascript. Variables have two scopes: global variables and local variables. The special feature of Javascript is that the function can directly

The addition and deletion of js array elements have been confusing. Today, I finally found detailed information and gave me the code to test. ^-^Copy codeThe Code is as follows:Var arr = new Array ();Arr [0] = "aaa ";Arr [1] = "bbb ";Arr [2] = "ccc "

The javascript data type is really amazing. After reading a page titled A few JS questions, I did click it with interest. However, after reading those questions, I feel that I have a lack of understanding of the javascript language. {} + [] =? [] + 0

What is a function? A function is a set of statements and a basic module unit of JavaScript. It is used for code reuse, information hiding, and combined calling. The default return value of the function is undefined. The function is used to specify

Chapter 6 CSS advanced applications and skills 6.1 id and class 6.1.1 what is id Id is an attribute of the XHTML element used to identify the object name. Both class and id are common attributes supported by XHTML and are also its core attributes.

Extdefine (& 039; JCYappcontrollerUserController & 039;, {extend: & 039; ExtappController & 039;, alias: & 039; widgetuserController & 039;, init: function () {thiscontrol ({& 039; gri Ext. define ('jcy. app. controller. userController ', {extend:

Effect: the figure is moved once every five seconds (in fact, a new figure is drawn) to display the monitored cpu information. The pastCpuInfomation function is used to display a line chart. The updateCpuPic function removes the graph 5 seconds ago

Today, I asked my children's shoes in the javascriptQQ group if there were any & quot; JS input box email box prompts automatically & quot; plug-ins, that is, I found the source code on github and didn't see such plug-ins, then I thought about the &

In many cases, we generally use navigator. the userAgent and regular expression are used to determine the version of IE browser. The following describes how to use different features in IE browser to Determine IE browser 1. The difference between IE

A variable object is a container associated with the execution context. It is a special object closely associated with the context, including variables defined in the context and function declaration. Note that function expressions (different from

Variable type: most computer languages use variables to store and represent data. Some languages specify a type for a variable. What is a type? Simply put, a type is to assign a binary sequence in the memory to some meaning. For example, binary

Fixing software bugs is expensive, and the cost of these bugs increases over time, especially when Fixing software bugs is expensive, and the cost of these bugs increases over time, especially when these bugs lurks and gradually appear in released

There is a small difference between implicit global variables and clearly defined global variables, that is, using the delete operator to cause side effects of variable var. There is a small difference between implicit global variables and clearly

During form verification, is it true that only numbers can be entered in a certain input box? Only integer numbers or numbers with decimal points can be entered. The following code may help you! By defining the onkeypress, onkeyup, and onblur events

It is very easy to use javascript to determine whether the user clicks the Left or Right button. You only need to add the onmousedown event to the object and use the javascript e. button value to determine whether the user clicks the event. The

Javascript is a non-type language, so an array element can have any data class. Javascript is a non-type language, so an array element can have any data type. different elements of the same array can have different types, array Element settings can