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In this article, the editor introduces in detail "how to use ajax for cross-domain access in JavaScript". The content is detailed, the steps are clear, and the details are handled properly. I hope that this article "how to use ajax for cross-domain access in JavaScript" can help you solve your doubts.

For security reasons, modern browsers do not allow cross-domain access.

This means that both the web page and the XML file you are trying to load must be on the same server.

All instances on W3School open the XML file located on the W3School domain.

If you want to use the above instance on your own page, the XML file you load must be on your own server.

Older versions of Internet Explorer (IE5 and IE6)

Older versions of Internet Explorer (IE5 and IE6) do not support XMLHttpRequest objects.

To deal with IE5 and IE6, check whether the browser supports XMLHttpRequest objects, or create ActiveXObject objects:

Example

If (window.XMLHttpRequest) {

/ / Code for modern browsers

Xmlhttp = new XMLHttpRequest ()

} else {

/ / deal with the code of the old version of IE browser

Xmlhttp = new ActiveXObject ("Microsoft.XMLHTTP")

}

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