JavaScript

One, data type 5 Basic types of data:null/undefined/string/boolean/number 1 kinds of complex data types:Object Second, data type detection A brief summary of several ways of detecting data types in JS and its advantages and disadvantages 1,

While statement: Copy Code code as follows: var i = 1; while (I{ document.write (i); i++; } Do While statement: Copy Code code as follows: var i = 1; Todo { document.write (i); i++; }while (I From the example

Distributed Denial-of-service Attack (DDoS) attacks are one of the oldest and most common attacks against web sites. Nick Sullivan is a system engineer at CloudFlare, a website accelerator and security Service provider. In recent days, he wrote

In JavaScript, Void is an operator that specifies that you want to evaluate an expression but not return a value. void operator usage format is as follows: 1. javascript:void (expression) 2. Javascript:void expression Expression is an expression

Doing the project is a learning process! As a learning C3, from C programmers to the front end, many of the rules in JavaScript is no way or say 1:30 will not understand. I met one today, which is roughly the code. var A; Global variablesfunction

As a front-end developer in the Web display often encounter, the title is too long, need to intercept the string, with the implementation of CSS various compatibility problems, various pits. Let the background program, and a variety of Dodge, let

javascript| Tutorial Using OLE Automation in JavaScript7. How to deal with set objectsThe automation object has the same structure as some of its JScript objects. It exposes a variety of methods and properties that we can handle. If you

Cgi|javascript|js| Tutorial uses JavaScript instead of CGI You might be familiar with CGI scripts, and you can use CGI to pass numbers or variables from one page to another on a form. Of course, you can use "POST" to pass a variable to a separate

cgi|javascript|js| Tutorial Use JavaScript instead of CGI You might be familiar with CGI scripts, and you can use CGI to pass numbers or variables from one page to another on a form. Of course, you can use "POST" to pass a variable to a separate

Article Introduction: The summary is to use the call method of the object posing mechanism to crawl the attributes of the parent class, while the member method should be written into the prototype domain shared by all object instances to prevent

Article Introduction: discusses the confusing keyword this, and how to determine and set the value of this. Today's tutorials come from a new book by Cody Lindley, the "JavaScript Initiation Tutorial/JavaScript Enlightenment". He

Article Introduction: revisit the JavaScript inheritance mechanism. In the last period of time, the team has several times to share the force, here to the West wind master of the inheritance mechanism to do a little sorting, appropriate

Core tips: Rules for JavaScript Library developers 1. Keep Non-invasive My HTML tags don't want to know your JavaScript code. 2. Modification and extension of object.prototype! is strictly prohibited This is important and requires a rule that is

In JavaScript, we can use the instanceof operator to determine whether an object is an instance of a class, and if Obj instaceof class returns True, then we think that obj is an instance of class, and obj is created by class, is either created by

I've been looking for a good JavaScript parser for Jscex, before I used Narcissus, and I wrote related articles. Unfortunately, Narcissus uses SpiderMonkey extensions, so it is not implemented with ECMAScript 3 and cannot be used in browsers such as

Reference | objects | Names of array name option lists (name attribute) Number of options in the Options list Index of selected in the list of Selectedlndex options (location) Text after marking in the Text option list (option) value= attribute in

A regular expression is an object that describes a character pattern. JavaScript's RegExp objects and string objects define methods that use regular expressions to perform powerful pattern matching and text retrieval and substitution functions. In

JavaScript reads and writes the delete cookie operation. function Getcookieval (offset)Get the value of the cookie after decoding{var endstr = document.cookie.indexOf (";", offset);if (endstr = = 1)Endstr = Document.cookie.length;Return unescape

One, basic data type: number string Boolean NaN undefindReference data type: (Object data type) object (function data type) functionNumber: Positive, negative, 0NaN: is not equal;=/is the meaning of assignment;==/is to judge whether the values of

Explanation of the two-way Data Binding Mechanism in AngularJS framework [reduce the amount of development code that needs to be repeated] And angularjs framework This article describes the AngularJS Framework's two-way data binding mechanism. We