JavaScript

Local variables:Variables declared within a function, function arguments are local variablesFunction nesting:Each function has its own scope, and local scope nesting occurs 　 1 var test = "Publice"; // global variable 2 function Fun1 () {

When you use JavaScript to display messages or pass character data, you often encounter a single quotation mark (') or double quotation mark (") in your data, which often results in JavaScript errors. The general use of this/' or/' solution.For

I think the optimization of JavaScript is a profound knowledge, here can only stand on the shoulders of predecessors, said some of my superficial understanding, more hope is to throw the jade, if not, please treatise.First of all, to realize that

Below, we will introduce the 2014 hottest 21 JavaScript frameworks, prepared for front-end developers:) It is well known that the JavaScript framework is one of the best features of the JavaScript programming language.The JavaScript framework is a

Math.random (); The result is a random number between 0-1 (including 0, excluding 1). Math.floor (num); The parameter num is a numeric value and the function result is the integer portion of Num. Math.Round (num); The parameter num is a

First, what is an event! (interpretation by the consortium)Events are behaviors that can be detected by JavaScript.JavaScript gives us the ability to create dynamic pages. Events are behaviors that can be detected by JavaScript.Each element in a Web

1. What is an interfaceThe parents who have studied design patterns may have heard of a principle of programming: "Programming for interfaces rather than implementing programming". So what exactly is an interface?An interface defines the means by

JavaScript does not contain the traditional class inheritance model, but rather uses the Prototypal prototype model.Although this is often referred to as a disadvantage of JavaScript, the prototype-based inheritance model is more powerful than

All variables in JavaScript are objects, except for two exceptions, null and undefined.False.tostring ()//' false ' [1, 2, 3].tostring (); ' A-one ' function Foo () {} Venetian Macao CasinoFoo.bar = 1; Foo.bar; 1Output false.tostring ():Output [1, 2,

AMD is the abbreviation for "Asynchronous module definition", meaning "async module definition". AMD defines that the modules we use are all asynchronously loaded, so we're going to put the code fragment of the dependent module in a callback

JQuery provides a summary of some common methods. Method ($. each, $. map, $. contains, $ ajax) Common tools and methods (1) $. trim The $. trim method is used to remove unnecessary spaces from the string header and tail.Copy codeThe Code is as

Enter, press enter, and switch the input focus. The implementation idea is compatible with the codes of various browsers. Enter focus During project creation, the customer requires that the input (Focus) can be directly switched using the enter key,

JavaScript-Image Understanding object-oriented, prototype, and inheritance This is the second overall review of JavaScript's object-oriented and prototype knowledge. This part of knowledge is abstract but very important. It encapsulates the Later

Node. js blog instance (11) Article search function   Now we will add the article search function for the blog, that is, fuzzy search for the article title based on the keyword, and the letters are case insensitive.First, modify header. ejs and add

Clear the cache of css, javascript, and background images in the browser, and cssjavascript In the actual project development process, the page is uploaded to the server. To reduce the load on the server and reduce the load on the server, the

Share a self-written jQuery paging plug-in, jquery Paging I need a JS paging plug-in for my work. I want to write one by myself. When I access the Internet, I find a plug-in with an unclear code structure, which is difficult to solve, and the

Check boxes of the superb checkbox implemented by pure css3 and radio single-stick, css3checkbox I have previously shared many buttons for implementing css3. Today we will share with you the checkbox check box and radio single-stick implemented by

Sublime shortcut key, sublime   Ctrl + N New window   Ctrl + Shift + V Paste and format SelectMultiline cursor Ctrl + Shift + Before and after the current tag is selected Alt + F3 Select all

Simple layout and simple layout floating around sdfs Style:   Briefly describe the layout of your house in English 1 my roomOpen the door, oh, the room is very beautiful! Whose room is this? It's my room. The bed is near the window. a quilt and

ExtJS learning ------------ infrastructure, Extjs. js and Ext-more.js Learning Ext. apply and Ext. applyIf Ext. onReady (function () {// Ext. apply and Ext. applyIf extends var src1 = {name: 'zhang san', age: 23} to object attributes or methods; //