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Below I will bring you an article on how to quickly obtain Ajax communication objects. Let me share it with you now and give it as a reference for everyone.
The examples are as follows:
function getXHR() { // 该方法用于获取Ajax通信对象 var xhr = null; if (window.XMLHttpRequest != null && window.XMLHttpRequest != undefined) { xhr = new XMLHttpRequest(); } else { / 兼容早期的IE浏览器 xhr = new ActiveXObject("Microsoft.XMLHTTP"); } return xhr; }
The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.
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