Javascript学习心得(国外英文资料).doc

Javascript学习心得(国外英文资料) Javascript learnt Javascript application purpose Through the study of JavaScript, know that it is evolved by the C language, and to a great extent, borrowed from the Java syntax, by C and C + + and Java is born to, so the JavaScript and C have many similar grammatical features. The emergence of JavaScript makes information between users and not just a relation of display and browse, it implements a real-time, dynamic, interactive expression ability. The CGI statically based HTML page will be replaced by Web pages that can provide dynamic real-time information and react to customer operations. JavaScript scripting is the language that meets this need. It is popular with a wide range of users and is a good one in many scripting languages. The advantage of Javascript JavaScript is a scripting language that is object-based and event-driven and has security capabilities. The purpose of using it is to link multiple objects in a Web page with HTML hypertext markup language and the Java scripting language to interact with Web clients. You can then develop the clients application and so on. It is implemented by embedding or tuning into the standard HTML language. Its presence makes up for the shortcomings of the HTML language, which is a compromise between Java and HTML, with the following basic features: One, scripting languages JavaScript is a scripting language that implements programming in a small program segment. Like other scripting languages, JavaScript is also an interpreted language that provides a simple development process. Its basic structure is similar to that of C, C + +, VB, etc. But unlike these languages, it needs to be compiled first, rather than being explained by line-by-line operations. It is combined with HTML tags to facilitate user usage. Second, object-based language JavaScript is an object-based language and can be viewed as an object-oriented one. This means that it can use the objects it has already created. Therefore, man