JavaScript

Source:http://www.ruanyifeng.com/blog/2014/10/event-loop.html A year ago, I wrote an article, "What is Event Loop?" , and talked about my understanding of the event loop. Last month, I happened to see Philip Roberts's speech, "Help, I ' M stuck in

I. About block-level scopesWhen it comes to JavaScript's variable scope, it differs from the Class C language we normally use.For example, the following code in C #: static void Main (string[] args) { if (true) { int num = 10

/*** Undefined==null Returns True* undefined = = = NULL returns FALSE* Undefined indicates that the variable is defined but not assigned* NULL indicates a reference to an empty object*/function typeExt.onready (function () {function Fun ()

This article was translated from Ben Cherry's "JavaScript Module pattern:in-depth". Although individuals do not quite agree with the necessity of the existence of private variables in JS, this article is a very comprehensive introduction to the

String manipulation in JavaScriptI. OverviewStrings are almost ubiquitous in JavaScript, and when you are working with the user's input data, when you read or set the properties of a DOM object, while manipulating the cookie, there are of course

NanyiThese days, I was reading the language of JavaScript.This book is very thin, more than 100 pages, just over the holidays.The author of the book is Douglas Crockford, one of the most JavaScript-savvy people in the world, and the creator of the

JavaScript programming StyleThe so-called "programming Style" (programming style) refers to the style rules for writing code. Programmers are free to choose a programming style, but a good programming style helps to write programs that are higher

As more and more sites evolve into "Web 2.0″apps, the amount of JavaScript increases. This is a performance concern because scripts has a negative impact on page performance. Mainstream browsers (i.e., IE 6 and 7) block in both ways:

ECMA-262 describes a set of keywords that can be used to represent the start or end of a control statement, or to perform a specific operation. Rule: Keywords belong to language reservations and cannot be used for identifiers.All ECMAScript Keywords

1. Variables　　Omitting the var operator in a local scope can define a global variable, but doing so can cause the variable to be difficult to maintain, and in strict mode causes a Referenceerror error to be thrown.2. Data type (JS Common 6 data

[Node. js] Generator and koa Analysis in ECMAScript 6I 've heard from you that koa is a good method. I 've also caught up with it in the past two days: I installed node 0.11.12 with n, and I got a koa to start the harmony mode and try it out. In a

You will enjoy 25 creative flat LOGO designs and flat Logos The storm of flat design swept across the entire design field. It not only affected webpage design, but also affected user interface and logo design. Recently, we have seen many large

Bootstrap jQuery Ztree asynchronously loads data. check Selects & amp; to add, modify, and delete nodes. : I. Download zTree plug-in address: http://www.ztree.me Ii. html code permission menu management

Dojo Javascript programming specifications regulate your own JavaScript writing, dojojavascript Preface The advantages of good JavaScript writing habits are self-evident. Today, bin Go recommends the Dojo Javascript programming specification, which

Thoughts on the fade-in and fade-out effects of fadeIn (), fadeOut (), fadeToggle (), and fadeTo () in Jquery ---- about parameters passing through Jquery FunctionsI. Basic syntax 1. fadeIn fade-in, fadeOut fade-out, and fadeToggle fade-in and

Position of CSS positioning: position of css positioning In front-end webpage layout, we usually use the float attribute to locate the position of webpage elements on the same plane. However, the position attribute in CSS must be used to locate the

Summary of six operators in JavaScript, javascript Operators JavaScript operators include: Arithmetic Operators Value assignment operator Comparison Operators Ternary Operators Logical operators String concatenation operator Arithmetic

JavaScript Source Map Source Map. It is an independent map file. It is in the same directory as the source code. You can click it to see how it looks. This is a very useful feature, which will be described in detail in this article. 1. Start with

Based on the pure CSS3 technology to achieve the beautiful Tag Cloud Effect, css3 implements the Tag Cloud Tag Cloud is a standard function of a blog. It can clearly present all the keywords and themes of a blog. In this effect, you will learn how

Amazing JavaScript syntax features and javascript syntax features I have seen some javascript-related questions published by zhihu. I 'd like to share with you that although N was a long time ago, these questions are quite classic, javascript is a