new relic javascript

fieldThis. x = "I'm a object variable! ";// Public methodThis. method1 = function (){Alert (x );Alert (this. x );}This. method2 = method;// Constructor{This. method1 (); // I'm a private variable!// I'm a object variable!This. method2 (); // I'm a global variable!// I'm a object variable!Method1 (); // I'm a private variable!// I'm a global variable!Method2 (); // I'm a global variable!// I'm a global variable!Method1.call (this); // I'm a private variable!// I'm a object variable!Method2.call

Recently saw a new JavaScript applet--streams, originally thought to be a common JavaScript class library, but after reading about it, I found that this is not a simple class library, and the author's focus is not the function of this class library, but-- Borrow a passage from the article: if you are willing to spend 10 minutes reading this article, your knowledg

The object model in JavaScript is not widely known. I have written a blog about them. One reason why it is not well known is that JavaScript is the only one of these widely used languages that is inherited through a prototype (prototype). However, I think another reason is that the object model is very complex and difficult to explain. Why was it so complicated and confusing? That's because

The object model in JavaScript is not widely known. I once wrote a blog about them. JavaScript is the only language widely used to inherit from prototype. However, I think another reason is that this object model is very complex and difficult to explain. Why is it so complicated and confusing? That's because JavaScript tries to hide its traditional object-oriente

Original article: JavaScript, We Hardly new Ya -- Douglas Crockford.Http://yuiblog.com/blog/2006/11/13/javascript-we-hardly-new-ya/Referencing JavaScript is a prototype-based language, but it has a new operator that makes it look

JavaScript Library is basically a pre-written scripting language that ease the development of JavaScript based application s such as AJAX and other web-centric technologies. These JavaScript libraries is often called JavaScript frameworks. Popular JavaScript libraries such a

Ecmascript5 provides a series of new API interfaces, which are supported in most of the new browsers, including ie9, chrome, and firfor, A small number of APIs are not supported by all browsers. The following content only describes most of the supported APIs. With the new API, we can design very reliable classes and maintain the original

Like other high-level languages, JavaScript also has the new operator, and we know that the new operator is used to instantiate a class, allocating an instance object in memory. But in JavaScript, all things are objects, why do they have to be created by new? This article wi

the script to select the check box (checkbox) in the list items of all classes named "important ). If you use the dom2-level API method, you can do this: VaR items = Document. getelementbyid ( 'Menu' ). Getelementsbytagname ( 'Lil' ); For (VAR I = 0; I If (items [I]. classname. Match (/important /)){ If (items [I]. firstchild. type = "checkbox "){ Items [I]. firstchild. Checked = true; } } } With the new