JavaScript

When it comes to the branching structure in JavaScript, we have to mention the word Process control, and all of our programs are made up of data and algorithms.program = data + algorithmUsually we call the algorithm can be done by "order", "branch",

I. What is an object 1. What is an object: All things in JavaScript are objects: strings, numbers, arrays, functions ...Each object has properties and methodsJavaScript allows custom objects2. Custom objects:Defining and creating an object

One, array arrays object 1. Array object: Use a separate variable name to store a series of values.2, the creation of the array: example: var myarray=["Hello", "Yeleven", "yeleven2";3, array access: You can access a specific element by specifying

JavaScript gets random numbers

1. Text Box Focus IssuesOnBlur: This event occurs when the input focus is lost onfocus: When the input has the focus, the file is Onchange: When the literal value changes, the event is generated Onselect: When the text is highlighted, the file is

Example of registering a columnA social network has a group of members, each with a list of registrations that store their friends ' information.function Member(name){ this.name=name; this.friends=[];}var a=new Member(‘钟二‘), b=new

1. HTML element Tag-Hypertext Markup LanguageDecide what's on your Web page.2. CSS-style sheetDetermine the style and layout of these element tags in your web page3, Js-javascriptDetermine the features and effects of these element tags in your web

Javascript Design PatternsThe first chapter of flexible JavaScript Using functions to incorporate objects var checkobject={Checkname:function () {},Checkemail:function () {},Checkpassword:function () {}} True and False objects

The data type in JS:2 major categoriesPrimitive type: The data type where the value is stored locally on the variable5 kinds: Number String Boolean undefined nullNumber:8bytes round-off error and roundingString: 1byte per English character2bytes per

Code laycode-v1.1The following methods are commonly used in the conversion of such data to Chinese issues.1. Eval parsing or new Function ("' + str + ')" ()str = eval ("'" + str + "'"); "I am a Unicode encoding" 1 Code laycode-v1.12.

How do you debug a JavaScript program? The most primitive way to print content on a page with alert () is to use Console.log () to output content on the JavaScript console with a slightly improved approach. Well, using these two methods really

JavaScript LoopsWhen writing code, you often want to execute the same piece of code over and over again. We can use loops to do this, so we don't have to write several lines of the same code repeatedly.JavaScript has two different kinds of loops:

1. Iterate through the properties of an object obj to an array.var a = []; for inch window); Console.log (a); // output All properties of the Window object into array a2. Class array objects are different from real array objects, so it is often

JavaScript works on the Web server side:1. The client requests data, that is, we enter a URL in the address bar while surfing the internet, and after the browser receives the data, the request message is sent to the remote Web server.The 2.web

Web Performance Improvement record: the whole site cache era is no longer up to meet requirements, and performance improvement 　　Principles: Static and Dynamic separation, Hierarchical Cache, active failure. In Web development, interfaces are

Javascript achieves a complete example of advanced drag methods compatible with various browsers [test available], JS drag This article describes how to implement advanced drag methods compatible with various browsers in JavaScript. We will share

JavaScript: a simple method for obtaining the original size of page images, javascript pages This example describes how to obtain the original size of a page image by using JavaScript. We will share this with you for your reference. The details are

The wonderful use of important and important ! Important: sets the highest weight for some styles, higher than the id SelectorUsage :! Important should be written before the semicolon For example: ! Important Effect when we got to the third

Understanding of valueOf and toString in JavaScript Functions, valueoftostring I saw a question today and implemented the following syntax functions: var a = add(2)(3)(4); //9 This is an application of a higher-order function. Analysis: add (2)

Introduction to InttoStr, StrtoInt, and inttostrtoint in js The conversion of javascript strings and numbers is flexible, and it seems that pascal is not going back. Int conversion string: 1, var str = String (int ); 2, num. toString (param); //