var supports = (function() {
var div = document.createElement('div'),
vendors = 'Khtml Ms O Moz Webkit'.split(' '),
len = vendors.length;
return function(prop) {
if ( prop in div.style ) return true;
prop = prop.replace(/^[a-z]/, function(val) {
return val.toUpperCase();
});
while(len--) {
if ( vendors[len] + prop in div.style ) {
// browser supports box-shadow. Do what you need.
// Or use a bang (!) to test if the browser doesn't.
return true;
}
}
return false;
};
})();
if ( supports('textShadow') ) {
document.documentElement.className += ' textShadow';
}
// for older jquery
var var_name = $("input[@name='radio_name']:checked").val();
// for jquery 1.3
var var_name = $("input[name='radio_name']:checked").val();
<form action="#" onsubmit="return false;">
<input readonly value="Hover to see my E-mail" onmouseover="focus();select();value='F'+'o'+'o'+'@'+'b'+'a'+'r'+'.'+'c'+'o'+'m';" />
</form>
<!--
Thanks to http://www.guineacode.com/2011/facebook-app-authorization/
for the FB.getLoginStatus example that allows all the Facebook
authorization to be done client-side.
-->
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<title>Title</title>
<!--[if IE]><![endif]-->
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
</head>
<body>
<div id="fb-root"></div>
<script type="text/javascript">
$(document).ready(function(){
var appId = YOUR_APP_ID;
// If logging in as a Facebook canvas application use this URL.
//var redirectUrl = "http://apps.facebook.com/YOUR_APP_NAMESPACE";
// If logging in as a website do this. Be sure to add the host to your application's App Domain list.
//var redirectUrl = window.location.href;
// If the user did not grant the app authorization go ahead and
// tell them that. Stop code execution.
if (0 <= window.location.href.indexOf ("error_reason"))
{
$(document.body).append ("<p>Authorization denied!</p>");
return;
}
// When the Facebook SDK script has finished loading init the
// SDK and then get the login status of the user. The status is
// reported in the handler.
window.fbAsyncInit = function(){
//debugger;
FB.init({
appId : appId,
status : true,
cookie : true,
oauth : true
});
// Sandbox Mode must be disabled in the application's settings
// otherwise the callback will never be invoked. Monitoring network
// traffic will show an error message in the response. Change the
// Sandbox Mode setting in: App Settings - Advanced - Authentication.
FB.getLoginStatus (onCheckLoginStatus);
};
// Loads the Facebook SDK script.
(function(d)
{
var js, id = 'facebook-jssdk'; if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
d.getElementsByTagName('head')[0].appendChild(js);
}(document));
// Handles the response from getting the user's login status.
// If the user is logged in and the app is authorized go ahead
// and start running the application. If they are not logged in
// then redirect to the auth dialog.
function onCheckLoginStatus (response)
{
if (response.status != "connected")
{
top.location.href = "https://www.facebook.com/dialog/oauth?client_id=" + appId + "&redirect_uri=" + encodeURIComponent (redirectUrl) + "&scope=user_photos,friends_photos";
}
else
{
// Start the application (this is just demo code)!
$(document.body).append ("<p>Authorized!</p>");
FB.api('/me', function (response) {
$(document.body).append ("<pre>" + JSON.stringify (response, null, "\t") + "</pre>");
});
}
}
});
</script>
</body>
</html>