javaScript如何產生xmlhttp_javascript技巧

複製程式碼 程式碼如下:

function ajaxFunction(){
var. { // Firefox, Opera 8.0 , Safari
xmlHttp = new XMLHttpRequest();
}
catch (e) {
try {// Internet Explorer
xmlHttp = new ActiveX("Msxml2 .XMLHTTP");
}
catch (e) {
try {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e) {
}
}
}

return xmlHttp;
}