How to create an ajax object and be compatible with multiple browsers

This article mainly introduces the simple recording method of creating ajax objects and compatible with multiple browsers. In some cases, it is quite practical. Friends in need can refer to it.

This article mainly introduces How to create an ajax object and be compatible with multiple browsers. Friends who need it can refer to

<script> 
function createAjax(){ 
var request=false; 
//window对象中有XMLHttpRequest存在就是非IE，包括（IE7以上版本） 
if(window.XMLHttpRequest){ 
request=new XMLHttpRequest(); 
if(request.overrideMimeType){ 
request.overrideMimeType("text/xml"); 
} 
//window对象中有ActiveXObject属性存在就是IE 
}else if(window.ActiveXObject){ 
var versions=[&#39;Microsoft.XMLHTTP&#39;, &#39;MSXML.XMLHTTP&#39;, &#39;Msxml2.XMLHTTP.7.0&#39;,&#39;Msxml2.XMLHTTP.6.0&#39;,&#39;Msxml2.XMLHTTP.5.0&#39;, &#39;Msxml2.XMLHTTP.4.0&#39;, &#39;MSXML2.XMLHTTP.3.0&#39;, &#39;MSXML2.XMLHTTP&#39;]; 
for(var i=0; i<versions.length; i++){ 
try{ 
request=new ActiveXObject(versions[i]); 
if(request){ 
return request; 
} 
}catch(e){ 
request=false; 
} 
} 
} 
return request; 
} 
var ajax=createAjax(); 
alert(ajax); 
</script>

. The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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A brief analysis of the use of Ajax in Asp.net MVC

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