html5demos/js/h5utils.js

63 lines
2.0 KiB
JavaScript

// For discussion and comments, see: http://remysharp.com/2009/01/07/html5-enabling-script/
/*@cc_on'abbr article aside audio canvas details figcaption figure footer header hgroup mark menu meter nav output progress section summary time video'.replace(/\w+/g,function(n){document.createElement(n)})@*/
function isEventSupported(event, element) {
element = element || window;
var ok = 'on'+event in element;
if (ok) return ok;
element.setAttribute('on' + event, '');
ok = typeof(element['on'+event] == "function");
element.removeAttribute('on' + event);
return ok;
}
var addEvent = (function () {
if (document.addEventListener) {
return function (el, type, fn) {
if (el && el.nodeName || el === window) {
el.addEventListener(type, fn, false);
} else if (el && el.length) {
for (var i = 0; i < el.length; i++) {
addEvent(el[i], type, fn);
}
}
};
} else {
return function (el, type, fn) {
if (el && el.nodeName || el === window) {
el.attachEvent('on' + type, function () { return fn.call(el, window.event); });
} else if (el && el.length) {
for (var i = 0; i < el.length; i++) {
addEvent(el[i], type, fn);
}
}
};
}
})();
(function () {
var pre = document.createElement('pre');
pre.id = "view-source"
// private scope to avoid conflicts with demos
addEvent(window, 'click', function (event) {
if (event.target.hash == '#view-source') {
// event.preventDefault();
if (!document.getElementById('view-source')) {
pre.innerHTML = ('<!DOCTYPE html>\n<html>\n' + document.documentElement.innerHTML + '\n</html>').replace(/[<>]/g, function (m) { return {'<':'&lt;','>':'&gt;'}[m]});
document.body.appendChild(pre);
}
document.body.className = 'view-source';
var sourceTimer = setInterval(function () {
if (window.location.hash != '#view-source') {
clearInterval(sourceTimer);
document.body.className = '';
}
}, 200);
}
});
})();