JavaScript

The code is as follows: Deepcopy:function (obj) { return _.isobject (obj)? Json.parse (json.stringify (obj)): obj;}, Reproduced as follows: Pasted over the format is chaotic: The original in this:

In JavaScript, an object has an attribute (attribute), an attribute can be the original value, or a reference value can be made. If the attribute holds a function, it is treated as a method of the object, otherwise the attribute is considered a

The size of the arrayThe JS array can be resized dynamically, more specifically, without the concept of an array out of bounds, a[a.length] nothing wrong. For example, declare an array a = [1, 3, 5], now the array size is 3, the last element index

/** * Chinese and English string interception * @param str to intercept the string * @param len to intercept the length * @param hasdot whether to increase the end of the string ' ... ' * @returns {string} * /c1>*/ functionmysubstring (str,

Understanding Object-oriented:To illustrate that JavaScript is a thoroughly object-oriented language, it is necessary to start with object-oriented concepts and explore some of the concepts in object-oriented:1. Everything is empty;　2. object has

JavaScript Design Patterns First chapter object-oriented JavaScriptapplication of 1.1 polymorphism in object-oriented designThe fundamental benefit of polymorphism is that you don't have to ask the object "What type you are" and then invoke an

Jquery $ ("#foo"). Bind ("click", Function () {Alert ("User clicked on ' foo.");});On aliases Backbone var object = {};_.extend (object, backbone.events);Object.on ("Alert", Function (msg) {Alert ("triggered" +

1. Data type,There are 5 simple data types (also known as basic data types) in javascript: Undefined, Null, Boolean, number, and string. There are 1 more complex data types--object,object essentially consist of a set of unordered name-value pairs.2.

Sometimes we need to automatically click on the page hyperlink or button, you can use JS or jquery using the program to click, the method is very simple, the button or hyperlink code is as follows:1 ahref= "url"Target= "_blank"onclick= "Closewin ();"

ChildNodesProperty:the ChildNodes Property is a A-getting information about the children of any element in a document ' s node t Ree.  It returns an array containing all the children of an element node:element.childNodes;    Lets say you wanted to

Code written in JavaScript must is executed from a document written in HTML. There is three ways of doing this:1. You can place the JavaScript between tags within the of the document:2.  A much better technique is to place your JavaScript code

Window. onload User Guide, window. onload Javascript script code on a webpage can be executed only after the document is loaded. Otherwise, the object cannot be obtained. To avoid this, you can use the following two methods: 1. Place the script code

JavaScript implements the arithmetic square root algorithm-super simple code, javascript Arithmetic A few days ago, I saw a square root source code from Raytheon. I will not go into details about the principles. The source code is written in C

Use CSS to disable the textarea resize function, csstextarea This article describes how to use CSS to disable the textarea resize function. It is very easy to disable the textarea size function. You can use the resize attribute of CSS. For more

Simple implementation compatible with the js of various browsers to copy content to the clipboard, js cut Because the website article requires several buttons, click to copy the article content to the clipboard. I searched a lot of content on the

Javascript-an interactive javascript tutorialThis site also provides some other languages for you to learn. Playing in this interactive mode is much more impressive than reading a book. Record a point: the usage of javascript substring is somewhat

How to detect custom global variables in JavaScript Note: Misuse of global variables is a bad program design. It is easy to cause dependency and State confusion. In Java and JavaScript, The Global (visible) variables are the hidden killer of

JQuery implements code for adding service effects based on the sliding scaling of Baidu homepage. jquery Homepage The example in this article describes how jQuery implements the code for adding service effects to the sliding scaling extension on the

JavaScript code for automatically changing navigation menu effects, JS navigation menu This example describes the code for automatically changing the navigation menu of JavaScript. Share it with you for your reference. The details are as

Jquery slide picture switching effect code sharing, jquery slide This document describes how jquery performs slide picture switching. Share it with you for your reference. The details are as follows:This is a jquery-based slide picture switching