RobinNixon
68 lines
1.6 KiB
HTML
68 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<html> <!-- urlpost.html -->
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<head>
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<title>Asynchronous Communication Example</title>
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</head>
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<body style='text-align:center'>
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<h1>Loading a web page into a DIV</h1>
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<div id='info'>This sentence will be replaced</div>
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<script>
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params = "url=news.com"
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request = new asyncRequest()
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request.open("POST", "urlpost.php", true)
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request.setRequestHeader("Content-type",
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"application/x-www-form-urlencoded")
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request.setRequestHeader("Content-length", params.length)
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request.setRequestHeader("Connection", "close")
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request.onreadystatechange = function()
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{
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if (this.readyState == 4)
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{
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if (this.status == 200)
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{
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if (this.responseText != null)
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{
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document.getElementById('info').innerHTML =
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this.responseText
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}
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else alert("Communication error: No data received")
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}
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else alert( "Communication error: " + this.statusText)
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}
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}
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request.send(params)
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function asyncRequest()
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{
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try
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{
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var request = new XMLHttpRequest()
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}
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catch(e1)
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{
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try
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{
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request = new ActiveXObject("Msxml2.XMLHTTP")
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}
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catch(e2)
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{
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try
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{
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request = new ActiveXObject("Microsoft.XMLHTTP")
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}
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catch(e3)
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{
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request = false
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}
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}
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}
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return request
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}
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</script>
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</body>
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</html>
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