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This article will explain in detail how to discuss the compatibility of ajax browsers, and the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have some understanding of the relevant knowledge after reading this article.

The code is as follows:

Untitled document

_ window.onload = function () {

Var oBtn = document.getElementById ('btn')

OBtn.onclick = function () {

/ / 1. Create an ajax object

/ / only non-IE6 browsers are supported

Var oAjax = null

If (window.XMLHttpRequest) {

OAjax = new XMLHttpRequest ()

/ / alert (new XMLHttpRequest ())

} else {

/ / only IE6 browsers are supported

OAjax = new ActiveXObject ("Microsoft.XMLHTTP")

}

/ / 2. To connect to the server, add a time parameter here. Each access address is different, so the browser does not need the buffer in the browser, but

/ / but the server does not resolve this time.

OAjax.open ("get", "a.txtbuttt =" + new Date () .getTime (), true)

/ / 3. Send

OAjax.send (null)

/ / 4. Accept information

OAjax.onreadystatechange = function () {

/ / where is the interaction between the browser and the server? when it is equal to 4, it means that the reading is completed.

If (oAjax.readyState==4) {

/ / status code, which is only equal to 200, which means that the acceptance is complete and successful.

If (oAjax.status==200) {

Alert ("success" + oAjax.responseText)

} else {

Alert (failure)

}

}

}

}

}

This is the end of the discussion on the compatibility of ajax browsers. I hope the above content can be of some help and learn more. If you think the article is good, you can share it for more people to see.

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