ajax异步请求鼠标离开输入文本框事件

来源：互联网发布：vs release 不优化编辑：程序博客网时间：2024/06/06 08:36

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>ajax1</title> <script>//创建浏览器对象function createXhr(){ //判定浏览器类型处理第一种方法 /*  var xhr; var str=window.navigator.userAgent; if(str.indexOf('MSIE')>0){xhr=new ActiveXObject('Microsoft.XMLHTTP'); }else{xhr=new XMLHttpRequest(); }return xhr; */ try{  return new ActiveXObject('Microsoft.XMLHTTP');  }catch(e){   }  try{  return new XMLHttpRequest();  }catch(e){  }   };//获得id属性值简单分装方法function $(id){  return document.getElementById(id);};window.onload=function(){$('username').onblur=function(){     var username=$('username').value;           var xhr=createXhr();           xhr.onreadystatechange=function(){          if(xhr.readyState==4&&xhr.status==200){                };           }     xhr.open("get","/ajax2?username="+username);          xhr.send(null);}  };</script></head><body>用户名:<input type="text" name="username" id="username"/> </body></html>

阅读全文

0 0