Native XMLHttpRequest Support in IE 7.0 is NOT Ready

由 joelhy 于 周五, 07/13/2007 - 11:05 提交。
From jQuery 1.1.3.1 code Line4427-4429:
  1. // Create the request object; Microsoft failed to properly
  2. // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
  3. var xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();

jQuery tells us "new XMLHttpRequest()" has some problems in IE7, so think ActiveXObject first, native XMLHttpRequest second.

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