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JavaScript 是一种新的描述语言，由Netscape的LiveScript发展而来的语言，JavaScript是面向对象的动态类型的区分大小写的客户端脚本语言，此语言可以被箝入 HTML 的文件之中。透过 JavaScript 可以做到回应使用者的需求事件而不用任何的网路来回传输资料，所以当一位使用者输入一项资料时，它不用经过传给服务器处理，再传回来的过程，而直接可以被客户端 (浏览器) 的应用程序进行处理。

JavaScript is a new description language developed by Netscape's LiveScript evolved language , JavaScript is dynamically typed object-oriented case-sensitive client-side scripting language , this language can be clamped into the HTML document. Can be done through JavaScript events to respond to user needs without any network data transfer back and forth , so when a user enters a data, it does not go through to the server for processing before returning process , and direct client can be ( browser ) application for processing.

它与HTML结合使用，可增强页面的动态效果，使人机交互更直接，能产生非常好的用户体验。

It is used in conjunction with HTML , you can enhance the dynamic effect of the page , makes machines to interact more directly , which can produce a very good user experience.

MySQL是一个小型关系型数据库管理系统，是由瑞典MySQL AB公司开发的。目前MySQL被广泛地应用在Internet上的中小型网站中。MySQL的前景虽然不太乐观，但是由于MySQL体积小、速度快、成本低，尤其是开放源码这一特点，许多中小型网站为了降低网站总体拥有成本而选择了MySQL作为网站数据库.

MySQL is a small relational database management system, is developed by the Swedish company MySQL AB 's . Currently MySQL is widely used in small and medium sites on the Internet . Although less optimistic outlook for MySQL , but because MySQL small , fast , low cost, especially in open source this feature , many small and medium websites in order to reduce the total cost of ownership while site chose MySQL as the website database .

And other large databases such as Oracle, Sabase, DB2, SQL Server and other than , MySQL also has its shortcomings, such as small-scale, limited functionality , etc., but this did not reduce its popularity. For the average individual users and small and medium enterprises , MySQL provides functionality has been more than enough , and because MySQL is open source software , it can greatly reduce the total cost of ownership.

MySQL is a fast , multi-threaded , multi-user and robust SQL database server . MySQL Server supports mission-critical , heavy-load production systems , or you can embed it in a large configuration software to go.

XML stands Extensible Markup Language (Xtensible Markup Language acronym , meaning Extensible Markup Language ) . Similar to HTML , XML is a markup language display data , which enables data to be transmitted over the network accessibility and displayed in the user 's browser . XML is a set of rules that define the semantic tags , these tags will document is divided into many parts and these parts to be identified . It is also the meta-markup language that defines used to define other domain-specific , semantic and structured markup language syntax language.

XML is a cross-platform Internet environment , depending on the content of technology , is the current structure of the document information a powerful tool. Extensible Markup Language XML is a simple data storage language , using a series of simple tags describe the data , and these marks can be convenient way to build , and the XML is extremely simple and easy to learn and use .

AJAX is based on web standards , using a DOM dynamic display and interaction , and XML and XSLT for data exchange and related operations, via XMLHttpRequest for asynchronous data qu本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。