JavaScript

JavaScript Learning Note Function expressionsTwo ways to declare a function: 1, Function declaration 2, function expression1. Function declarationfunction functionname (arg0, arg1, arg2) {function Body FireFox Safari, Chrome, opera all define a

Problem DescriptionTime limit: 1 secondsSpace limit: 32768KThe cows become blackened and want to destroy the Earth. But he forgot the password to turn on the Earth Destroyer. Niuniu has a string s, Niu Niu also remember to remove a character from S

First, Window.top The top property returns the topmost ancestor window. This property returns a read-only reference to a top-level window. If the window itself is a top-level window, the top property holds a reference to the window

String, Array, Date, Math (first 4 can be read as long as the document is written), global functions, Overloads, BOM, DOM, document object1. js String ObjectCreate a String object var str = "ABC";Methods and propertiesProperty Length: String

Name differs from ID attribute 1, we know that when the Web page to do post submission, is the form (that is, form field) for the submission of units, a form has several form objects (such as ) , the same page can be more than one form (ASP., it

The original Published time: 2009-04-16--from my Baidu article [imported by moving tools] smile proud of the heart of the Baidu space I am dirty word dirty word dirty word!!! Compatible with IE FF Google click to enter My Space JavaScript masking

Events (ExtJS event)Ext.Util.observable classExt.Util.observable is an interface that provides support for the events of EXT components, which are different from traditional events, so a set of event systems is required. Only the components that

/* Temporary Object Test JS in the temporary object after the reference will be destroyed */function OnClick () {var s= "Hello World"; var word=s.substring (S.indexof ("") +1,s.length); alert (word); var s= "Test"; s.len=4; Console.log ("s.len=:", S.

Tag: date () word hard disk. So Func target object component printFirst, JavaScript functions 1. Common functionsfunction func () {}2. Anonymous functionsSetInterval (function () { console.log (123);},5000)3. Self-executing functionsMost of the

Tag: AST does not start ring str ASE find replace replacementGet type1. Mystring.charat (num)Returns the character at the specified position.2. Mystring.charcodeat (num)that returns the character of the specified position . Unicode encoding , This

JS has a total of 6 data types defined for us, namely:undefined,null,Boolean(Boolean),number (numeric),string (string),object. (Additional data types are defined in ES6). Where the first 5 is a simple data type, object is a complex data typeBefore

1. Calling as an object method 2. As a normal function call 1. Calling as a normal function 2. Assigning a function to an object 3.callback internal this points to window 4. Resolve this issue within the callback

JavaScript Development HistoryIn 1995, the company launched LiveScript by Netscape (Netscape). Prior to this, without the so-called front-end technology, all of the processing needs to be done by the server? Line-in.LiveScript by Netscape United SUN

Today, I write this article, because of being asked questions, a lot of things although have been learned to read, but there is no real understanding??? In order to learn better, I wrote this summary, of course, this article is only a document. Just

the 6th Chapter object-oriented ProgrammingTypes of PropertiesThere are two properties of objects in JS, data properties and accessor properties (accessor property), attributes of which have their own properties (Arrribute), which can be understood

Web site Construction , jquery the most convenient library, when used in the JavaScript library, can not help but think incredibly still have such a simple operation?First, select the page elementThe basic design idea and main usage of jquery is to "

Respond to EventsWe can execute JavaScript when an event occurs, such as when a user clicks on an HTML element.To execute code when a user taps an element, add JavaScript code to an HTML event property:Examples of HTML events: When the user

[Viewport] compatibility of mobile devices and viewportSome time ago, when I used a developer tool to reconstruct a menu project, I found the problem of incomplete display and layout disorder, and found a simple and crude solution. The viewports on

How to become a good UI/UX designer ?, A uiux designer   With the increasing degree of competition in commercialization, there are two key factors that determine the success of a product: excellent quality and performance, and excellent "face

Install and use Git In actual project development, we often use some version controllers to host our own code. Today we will summarize the usage of Git. If you don't talk much about it, open it directly. Objective: To manage github-managed project