Development and Application of Web 2.0 Based on Ajax Technique

Ajax is one of the Web 2.0 cores.The user Experience between Web applications and desktop applications existence a huge difference in response to the speed,usability and so on.This paper first describes the working principles of Ajax,Then introduces Ajax application exemplification of autocomplete indeveloping Web system,the problem of the users in mind not to query information full name is resolved,to help users enter information to enhance the user queries the speed and accuracy,Ajax′s asynchronous interactive function is applied to complete operation to the backstage.Ajax is used appropriately to provide user with better experience of Web.