ajax鼠标悬停,利用AJAX实现鼠标悬浮获取值的代码

客户端代码mouseover.php

鼠标悬浮测试

var xmlHttp;

function createXMLHttpRequest(){

if(window.ActiveXObject){

xmlHttp = new ActiveXObject("microsoft.XMLHTTP");

}

else if(window.XMLHttpRequest){

xmlHttp = new XMLHttpRequest();

}

}

function sendRequest(t){

var id = t.id

createXMLHttpRequest();

var url = "mouseover_check.php?page=" +t.id ;

xmlHttp.onreadystatechange = callback;

xmlHttp.open('GET',url,true);

xmlHttp.send(null);

}

function callback(){

if(xmlHttp.readyState == 4){

if(xmlHttp.status == 200){

document.getElementById("show").innerHTML = xmlHttp.responseText;

}

}

}