function isEventSupported(eventName) {
var element = document.createElement('div');
eventName = 'on' + eventName;
// When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those
var isSupported = eventName in element;
if ( !isSupported ) {
// If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element
if ( !element.setAttribute ) {
element = document.createElement('div');
}
if ( element.setAttribute && element.removeAttribute ) {
element.setAttribute(eventName, '');
isSupported = typeof element[eventName] == 'function';
// If property was created, "remove it" (by setting value to `undefined`)
if ( typeof element[eventName] != 'undefined' ) {
element[eventName] = undefined;
}
element.removeAttribute(eventName);
}
}
element = null;
return isSupported;
}
$(document).ready(function() {
$("table tbody tr").each(function() {
var tds = $(this).children("td");
var event_name = $(tds[0]).html();
$(tds[1]).html(isEventSupported(event_name).toString());
});
});
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