Writing high performance JavaScript (translation) _javascript techniques

The translator presses: I first translation foreign language, the speech unavoidably some obscure, but as far as possible expressed the author's original intention, does not have the excessive polishing, welcome criticizes the correction. Another

JavaScript Advanced Programming (3rd Edition) Learning notes 3 JS Simple data Type _ basics

ECMAScript is a dynamically typed language built on the basis of 5 simple data types (Undefined, Null, Boolean, Number, String), and a complex data type (Object). This article will review the simple data type, I will try to describe from the

JavaScript implements a method of emptying (resetting) a file type INPUT element value _javascript tips

The examples in this article describe the way JavaScript implements empty (reset) file type INPUT element values. Share to everyone for your reference, specific as follows: Because of security restrictions, scripts cannot set their value values

JS Ios/iphone's Safari browser is not compatible with the date () problem in JavaScript How to solve _javascript skills

var date = new Date (' 2016-11-11 11:11:11 '); document.write (date); Recently in writing a time to judge a script, you need to convert the fixed string time to the timestamp for comparison, in doing the personal habit of using chrome as a

Use JavaScript to beautify the HTML select tag's drop-down list effect _javascript tips

First, take a look at the use of the Select label by an example: volvo Saab fiat Audi And then the effect is generally like this: Both beauty and ugliness are for the moment. The select in all HTML elements is one of

10 Classic JavaScript Books sub-level recommendation + package download

Recently in doing some JS work, through the promotion of various great gods, sorting out 10 more classic JS books.As a scripting language, JS plays an indispensable role in web development. The launch of the HTML5, so that it is more fire added fire.

Use JavaScript in HTML to unblock input box code:

Turn: Differences between ReadOnly and disabled in a formResources:Disabled and readonly differences:Refer to post 1 address: http://blog.csdn.net/symgdwyh/article/details/5342937   1,   Both of these

The match (), replace () mate of a String object in JavaScript uses the regular expression

Regular expressions are long-standing, and the Find-and-replace feature is very powerful, but templates are difficult to remember. The 2 methods of the match (), replace () of the string object in JavaScript use a regular expression template. When

JavaScript operator--bitwise operator

xTable of Contents [1] binary [2] not [3] with [4] or [5] XOR [6] left shift [7] Shift right [8]>>>[9] apply the preceding wordsbitwise operators are very low-level operations and are not commonly used because they are not intuitive. However, its

JavaScript operators--arithmetic operators

xTable of Contents [1] unary plus [2] unary minus [3] increment [4] decrement [5] addition [6] subtraction [7] multiplication [8] division [9] seeking the remainder of the wordsArithmetic operations in JavaScript are primarily implemented by

JavaScript operators (operators) and precedence

Recently, because of the source code in the reading Underscore.js, plus the IFE before the completion of the JavaScript part of the Task2, which a large number of abbreviated sentence wording, especially like?: This trinocular operator is combined

21 best and most useful JavaScript chart libraries

Each enterprise is inclined to do data analysis when making important decisions. In fact, they often sink into the data and don't know how to jump out of it. With the advent of big data, once-useful tables and charts just don't cut it

Use rem to achieve adaptive Advantages and Disadvantages Analysis and rem adaptive advantages and disadvantages

Use rem to achieve adaptive Advantages and Disadvantages Analysis and rem adaptive advantages and disadvantages There are still a lot of discussions about implementing the screen Adaptive Layout of rem. I also saw the use of rem to implement the

Examples of fingerprint scanning effects implemented by jQuery (with demo and demo source code download) and jquery source code download

Examples of fingerprint scanning effects implemented by jQuery (with demo and demo source code download) and jquery source code download This article describes the fingerprint scanning effect implemented by jQuery. We will share this with you for

Google Chrome Extended Program Development Note, chrome Program Development

Google Chrome Extended Program Development Note, chrome Program Development According to the company's regulations, the work is flexible for eight hours a month. So we usually don't come on time. If something happens, we will go back to work earlier.

Implementation of sleep function instance in nodejs, nodejssleep

Implementation of sleep function instance in nodejs, nodejssleep Nodejs is most uncomfortable with its single-threaded features, which cannot be implemented in many cases. For CPU-intensive scenarios, the performance is not strong enough. For a long

Analysis on the array type system in JavaScript, javascriptarray

Analysis on the array type system in JavaScript, javascriptarray Previous An array is a set of values in order. The attribute names of objects are unordered. In essence, arrays use numbers as search keys, and objects have custom attribute names.

The usage and difference between return, return true, return false in javascript.

The usage and difference between return, return true, return false in javascript. 1. syntax and Return Method ① Return control and function results Syntax: return expression; Statement result function execution, return the call function, and return

Use the js Math. random () function to generate random numbers between n and m.

Use the js Math. random () function to generate random numbers between n and m. Abstract: This article explains how to use js to generate random numbers between n and m. The main purpose is to prepare for later JavaScript code generation. The Math.

Use Node. js to implement a simple FastCGI server instance

This article is one of my recent thoughts on Node. js learning and I will discuss it with you. HTTP server of Node. js Using Node. js can easily implement an http service. The simplest example is the official website example:Copy codeThe Code is as

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