JavaScript

================== Get ========================The first idea I thought ofvar test = document.getElementById (' test '); Console.log (Test.style);This approach, however, has little effect because the style represents the inline style.I suddenly

First, the original wordingA module is a set of methods for implementing a specific function.Simply put the different functions (and the variables that record the state) together, even if it is a module.function M1 () {//...} function m2 ()

Source: hereHere: in JavaScript, Void is an operator that specifies that an expression is evaluated but does not return a value.The void operator uses the following format:1. javascript:void (expression)2. Javascript:void expressionExpression is a

Object-Oriented ProgrammingECMA-262 defines an object as: "A collection of unordered attributes whose properties can contain basic values, objects, or functions." "Strictly speaking, this is equivalent to saying that the object is a set of values

JavaScript into the Favorites code,This JS code support Firefox browser is very rare,Support Firefox to add favorite JS code. Www.mlyrx120.comSpecific information you can write:Click to add your website to your browser's Favorites menuAdd to

The JavaScript operator Learning Essentials:An expressionOperators: Unary operators, arithmetic operators, relational operators, logical operators, * bitwise operators, assignment operatorsI. ExpressionsExpressions have constant expressions,

Global ObjectThe most specific object in the global object ECMAScript, because from that point of view, the object is not present.IsNaN (), Isfinite (), parseint (), and parsefloat () are all actually methods of the global object. In addition to

An iterator (iterator) is an object that can sequentially access a collection of data. One of its typical APIs is the next method. The method obtains the next value in the sequence.Iterator Example title: You want to write a handy function that can

Http://www.liaoxuefeng.com/wiki/001434446689867b27157e896e74d51a89c25cc8b43bdb3000/ 001434499763408e24c210985d34edcabbca944b4239e20000 creating objects with object-oriented programmingJavaScript sets a prototype for each object that is created,

Share several JavaScript-related face questions.String inversionHere are two ways to solve a problem. If you have other ideas, you can share the communication!The first method:function reverse (str) { var sp = str.split (', '); Save the

Adds a new element to an array and returns the new length value of the array.arrayObj.push([item1 [item2 [. . . [itemN ]]]])ParametersArrayobjRequired option. An Array object.Item, Item2,... itemnOptions are available. The new element of the Array

JavaScript compositionECMAScript: Interpreter, translator Dom:document object Model Bom:browser object model– the compatibility of each component, compatibility problem originVariable TypeType: typeof operator • Usage, return value • Common types:

Note Contents Map:A. JS String object View the W3cschool document, which has a detailed property method for that object. Common Properties Length: The number of characters in the string is declared.

Attributes of a propertyEach object has properties, what attributes do they have?　　　1, the attribute has a value.2, whether the property is writable.3, whether it is enumerable.4, whether it is configurable. "Use strict";//using strict mode var

1. Enumerate the front-end frames you are familiar with and briefly describe their pros and cons, and what scenarios are applicable to each.2, the concept of closure, closure of the principle of the package. And the use of closures, write a small

Clarify JavaScript regular Expressions--nextimmediately:"clear javascript Regular Expression--the previous article." The application of regular in the String class The class string supports four methods that utilize

EvalEval (parse) Parse: Inside with the argument string, we know that executing JavaScript will compile execution,to change the value of a global variable:　　　　　　 var x = 2; Defines the global variable alert (x),//2 var g = eval (

JavaScript Gets the screen width and height method:Document.body.clientWidth;//width of visible area of Web pageDocument.body.clientHeight;//High Visibility area of Web pageDocument.body.offsetWidth;//width of the visible area of the page (including

Ajax cannot cross domains, Jsonp can cross domains The core idea of cross-domain:called (the interface to get), the definition (JSONP core processor) is a different script tag inside the cross script fetch data (only get the data from the

Css Reset file and cssreset File /* Kissy css Reset philosophy: clearing and resetting are closely related features: 1. adapt to Chinese 2. based on the latest mainstream browser maintenance: YU Bo (lifesinger@gmail.com), Zheng Chun