wiki:wade/ajax/xmlHttpRequest/example/001
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Version 3 (modified by wade, 16 years ago) (diff)

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建立 XMLHttpRequest 實體

  1. javascript 程式碼： 
    function ajaxFunction()
{
var xmlHttp;
if (window.XMLHttpRequest)
  {
  // 建立 IE7+, Firefox, Chrome, Opera, Safari 的 XMLHttpRequest 實體
  xmlHttp=new XMLHttpRequest();
  }
else if (window.ActiveXObject)
  {
  // 建立 IE6, IE5 的 XMLHttpRequest 實體
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
else
  {
  alert("Your browser does not support XMLHTTP!");
  }
}
  2. javascript 程式碼： 
    function ajaxFunction()
{
  var xmlHttp;
  try
  {
    // 建立 IE7+, Firefox, Chrome, Opera, Safari 的 XMLHttpRequest 實體
    xmlHttp = new XMLHttpRequest;
  }
  cache (e)
  {
    try
    {
      // 建立 IE6, IE5 的 XMLHttpRequest 實體 , 以 Microsoft.XMLHTTP 或 MSXML2.XMLHTTP.6.0、MSXML2.XMLHTTP.5.0、MSXML2.XMLHTTP.4.0、MSXML2.XMLHTTP.3.0
      xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    cache (e) {}
  }
  if (!xmlHttp)
    alert("Your browser does not support XMLHTTP!");
}