A deep understanding of the similarities and differences between exec and match methods in JavaScript

Before reading this article, please read the following question:Title 17:read The following JavaScript code:var sometext= "web2.0. net2.0";var pattern=/(\w+) (\d) \. (\d)/g;var outcome_exec=pattern.exec (Sometext);var outcome_matc=sometext.match

[Javascript] uses JS to check the container code.

function Verifycontainercode (strcode) {var charcode = "0123456789A"? Bcdefghijk? Lmnopqrstu? VWXYZ "; if (strcode.length! =) return False;var result = True;var num = 0;for (var i = 0; i Container Check code Check rule:The container number consists

JavaScript event bindings and in-depth

There are two types of event bindings: Traditional event binding (inline model, script model), and modern event binding(DOM2-level model). Modern event binding provides more powerful and convenient functionality on traditional bindings.A Issues with

JavaScript event (v) Event type mouse event

First, the incidentIi. Flow of eventsSee the following: JavaScript event (i) Event flowThird, event processing proceduresFour, IE event processing programSee JavaScript event (ii) event handlers for the above contentsV. Event objectSee JavaScript

JavaScript produces non-repeating random number three ways to realize the idea

In JavaScript, the usual random numbers are duplicated, but sometimes we need random numbers that don't repeat, how do we do that? This article gives a solution to the needs of friends can refer to the next In JavaScript, the random numbers that

Javascript Basics Common Objects Introduction

Array type (stacks && queues) 1) var arr = new Array (); The length in parentheses can be unspecified, because the length of the array in JS can be changed dynamically 2) Similar to the list container in Java, the length is variable (arr.length=num),

JavaScript removes duplicate values from the array

Using the prototype function (prototype), you can define some very convenient custom functions, and implement various custom functions.The prototype function (prototype) in JavaScript works by creating a prototype property for each time a new

Prototype extension of the JavaScript array Traversal map ()

In JavaScript 1.6, JavaScript arrays add several useful methods: IndexOf, LastIndexOf, every, filter, ForEach, map, some, where the first two can be attributed to the element location method, Some of the latter can be categorized as iterative

JavaScript Test and validation tools

Although the syntax of JavaScript is very simple, it is still difficult to write a program because it runs the environment: Web browser based.Below you will find 8 useful JavaScript test and validation tools, all of which can be used for unit

7 features to be aware of when using JavaScript

Each language has its own special place, for JavaScript, using VAR can declare any type of variable, the script language seems simple, but want to write elegant code is need to accumulate experience. This article makes a list of seven details that

I first recognized scrapy, but I learned how to crawl images on the US Kong network,

I first recognized scrapy, but I learned how to crawl images on the US Kong network,I studied the scrapy crawler framework over the past two days, so I was prepared to write a crawler trainer. I usually do a lot of things to browse pictures. Right,

The example analyzes the call () and apply () methods in javascript, and the example analyzes the apply

The example analyzes the call () and apply () methods in javascript, and the example analyzes the apply 1. method definition Call method:Syntax: call ([thisObj [, arg1 [, arg2 [, [,. argN])Definition: call a method of an object to replace the

JQuery enables auto-text completion of special effects on Twitter,

JQuery enables auto-text completion of special effects on Twitter, The effect can be achieved using the jQuery plug-in Typeahead. js. This jQuery plug-in comes from a new Twitter project and supports remote and local datasets. The difference is

Jquery operation object array element method details, jquery Array

Jquery operation object array element method details, jquery Array The Code is as follows: Copy codeThe Code is as follows: a B c 1. Incorrect Method: The jquery object array cannot be obtained using the [] method, as shown below: Copy codeThe

Get started with nodejs and nodejs

Get started with nodejs and nodejs Preface If we don't want to learn nodeJs, we will get old... when the HTML5 waves hit us, many of our predecessors started the NodeJs journey, and at that time I was still working on server-side programs.Later, it

Three. js source code annotation (14th) Math/Sphere. js

Three. js source code annotation (14th) Math/Sphere. js   // File: src/math/Sphere. js/*** @ author bhouston/http://exocortex.com * @ author mrdoob/http://mrdoob.com/* // Sphere object constructor. creates a sphere object in a 3D space. the

Web font knowledge, web font

Web font knowledge, web font Start writing a blog again. 1.1 points of accumulation, uninterrupted. I read instructor Ruan Yifeng's Chinese webpage font Development Guide and made some records. Complete original article

Nibbler-free website testing and indicator scoring tool, nibbler

Nibbler-free website testing and indicator scoring tool, nibbler Nibbler is a free tool used to test various metrics of a website. Enter the address of any website, and Nibbler will give you a report listing the scores of 10 key areas of the

CSS non-ASCII character best practices, cssascii Best Practices

CSS non-ASCII character best practices, cssascii Best PracticesProblem scenarios Attribute values of non-ASCII characters are often used when writing styles, as follows:? 1234567891011 .hot_list .sign_discount:before {    content: "Full

Js solution to prevent the layout from flashing when the DIV layout is rolling, and the layout of jsdiv is flashing

Js solution to prevent the layout from flashing when the DIV layout is rolling, and the layout of jsdiv is flashing This article provides examples to illustrate how js can prevent the layout from flashing when the DIV layout is rolling. We will

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