javascript--Basic Concepts

One,JavaScript can accomplish the following tasks as a scripting language:

Manipulating browser objects, such as opening and closing windows;

Manipulating the DOM tree;

Asynchronous communication with the server through the XMLHttpRequest object;

XML programming, the use of ActiveX control or browser built-in objects to complete the parsing of XMLDOM, XPath query and XSLT transformation work;

Interact with browser plug-ins, such as ActiveX controls, Flash animations, javaapplet

Second, operator:

　　　　

javascript--Basic Concepts