cef/tests/cefclient/resources/xmlhttprequest.html

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<html>
<body bgcolor="white">
<script language="JavaScript">
function execXMLHttpRequest()
{
var url = document.getElementById("url").value;
var warningElement = document.getElementById("warning");
if (url.indexOf(location.origin) != 0) {
warningElement.innerHTML =
'For cross-origin requests to succeed the server must return CORS headers:' +
'<pre>Access-Control-Allow-Origin: ' + location.origin +
'<br/>Access-Control-Allow-Header: My-Custom-Header</pre>';
warningElement.style.display = 'block';
} else {
warningElement.style.display = 'none';
}
xhr = new XMLHttpRequest();
xhr.open("GET", url, true);
xhr.setRequestHeader('My-Custom-Header', 'Some Value');
xhr.onload = function(e) {
if (xhr.readyState === 4) {
var value = "Status Code: "+xhr.status;
if (xhr.status === 200)
value += "\n\n"+xhr.responseText;
document.getElementById('ta').value = value;
}
}
xhr.send();
}
</script>
<form>
URL: <input type="text" id="url" value="http://tests/request">
<br/><input type="button" onclick="execXMLHttpRequest();" value="Execute XMLHttpRequest">
<br/><textarea rows="10" cols="40" id="ta"></textarea>
</form>
<div id="warning" style="display:none;font-weight:bold;"></div>
</body>
</html>