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var isEventSupported = (function(undef) {
var TAGNAMES = {
'select':'input',
'change':'input',
'submit':'form',
'reset':'form',
'error':'img',
'load':'img',
'abort':'img'
};
function isEventSupported(eventName, element) {
element = element || document.createElement(TAGNAMES[eventName] || 'div');
eventName = 'on' + eventName;
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] = undef;
}
element.removeAttribute(eventName);
}
}
element = null;
return isSupported;
}
return isEventSupported;
})();
function divResult(category, name, element, div) {
div.innerHTML = div.innerHTML + category + " " + name + ": ";
div.innerHTML = div.innerHTML + (
isEventSupported(name, element)
? '<span style="background-color:green;color:white;">true</span></td>'
: '<span style="background-color:red;color:white;">false</span></td>'
);
div.innerHTML = div.innerHTML + "<br>";
}
var counter = 1;
function log(title, detail) {
var logDiv = document.getElementById("log");
idString = "'id" + counter + "'";
var newlink = document.createElement('a');
newlink.setAttribute('href', "javascript:toggle_visibility(" + idString + ")");
newlink.innerHTML = counter + ". " + title;
var br1 = document.createElement('br');
logDiv.appendChild(newlink);
logDiv.appendChild(br1);
var childDiv = document.createElement('div');
childDiv.setAttribute("id", idString.replace("'", "").replace("'", ""));
childDiv.setAttribute("style", 'display: none; margin-left : 5px;');
childDiv.innerHTML = detail;
var br2 = document.createElement('br');
logDiv.appendChild(childDiv);
counter = counter + 1;
}
function inspect(obj) {
if (typeof obj === "undefined") {
return "undefined";
}
var _props = [];
for (var i in obj) {
_props.push(i + " : " + obj[i]);
}
return " {" + _props.join(",<br>") + "} ";
}
function click(e) {
if (document.getElementById("clickID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function dblclick(e) {
if (document.getElementById("dblclickID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function mousedown(e) {
if (document.getElementById("mousedownID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function mouseup(e) {
if (document.getElementById("mouseupID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function mouseover(e) {
if (document.getElementById("mouseoverID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function mousemove(e) {
if (document.getElementById("mousemoveID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function mouseout(e) {
if (document.getElementById("mouseoutID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function touchstart(e) {
if (document.getElementById("touchstartID").checked) {
var box = document.getElementById("box");
var result = inspect(e);
for (var i = 0; i < e.touches.length; i++) {
result = result + "<br> Touches nr." + i + " <br>" + inspect(e.touches[i]);
}
log(e.type, result);
if (e.preventDefault) e.preventDefault();
}
return false;
}
function touchend(e) {
if (document.getElementById("touchendID").checked) {
var box = document.getElementById("box");
var result = inspect(e);
for (var i = 0; i < e.touches.length; i++) {
result = result + "<br> Touches nr." + i + " <br>" + inspect(e.touches[i]);
}
log(e.type, result);
if (e.preventDefault) e.preventDefault();
}
return false;
}
function touchmove(e) {
if (document.getElementById("touchmoveID").checked) {
var targetEvent = e.touches.item(0);
var box = document.getElementById("box");
box.style.left = targetEvent.clientX + "px";
box.style.top = targetEvent.clientY + "px";
var result = inspect(e);
for (var i = 0; i < e.touches.length; i++) {
result = result + "<br> Touches nr." + i + " <br>" + inspect(e.touches[i]);
}
log(e.type, result);
if (e.preventDefault) e.preventDefault();
}
return false;
}
function touchcancel(e) {
if (document.getElementById("touchcancelID").checked) {
var box = document.getElementById("box");
var result = inspect(e);
for (var i = 0; i < e.touches.length; i++) {
result = result + "<br> Touches nr." + i + " <br>" + inspect(e.touches[i]);
}
log(e.type, result);
if (e.preventDefault) e.preventDefault();
}
return false;
}
function gesturestart(e) {
if (document.getElementById("gesturestartID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function gesturechange(e) {
if (document.getElementById("gesturechangeID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function gestureend(e) {
if (document.getElementById("gestureendID").checked) {
var box = document.getElementById("box");
log(e.type, inspect(e));
if (e.preventDefault) e.preventDefault();
}
return false;
}
function toggle_visibility(id) {
var e = document.getElementById(id);
if (e.style.display == 'block') {
e.style.display = 'none';
} else {
e.style.display = 'block';
}
}
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