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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
#container {
border: 1px solid #000;
width: 200px;
height: 85px;
}
#container > div {
border: 1px solid #000;
display: inline-block;
margin: 2px;
}
#output,
#noevents,
#DOM0,
#handleevent,
#output,
#noevents {
cursor: auto;
}
#output {
min-height: 1.5em;
}
</style>
<script type="application/javascript">
function init() {
let container = document.getElementById("container");
let multiple = document.getElementById("multiple");
container.addEventListener("mouseover", mouseoverHandler, true);
multiple.addEventListener("click", clickHandler, false);
multiple.addEventListener("mouseup", mouseupHandler, false);
let he = new handleEventClick();
let handleevent = document.getElementById("handleevent");
handleevent.addEventListener("click", he);
}
function mouseoverHandler(event) {
if (event.target.id !== "container") {
let output = document.getElementById("output");
output.textContent = event.target.textContent;
}
}
function clickHandler(event) {
let output = document.getElementById("output");
output.textContent = "click";
}
function mouseupHandler(event) {
let output = document.getElementById("output");
output.textContent = "mouseup";
}
function handleEventClick(hehe) {
}
handleEventClick.prototype = {
handleEvent: function(blah) {
alert("handleEvent");
}
};
function noeventsClickHandler(event) {
alert("noevents has an event listener");
}
function addNoeventsClickHandler() {
let noevents = document.getElementById("noevents");
noevents.addEventListener("click", noeventsClickHandler);
}
function removeNoeventsClickHandler() {
let noevents = document.getElementById("noevents");
noevents.removeEventListener("click", noeventsClickHandler);
}
</script>
</head>
<body onload="init();">
<h1>Events test 1</h1>
<div id="container">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
<div>10</div>
<div>11</div>
<div>12</div>
<div>13</div>
<div>14</div>
<div>15</div>
<div>16</div>
<div id="multiple">multiple</div>
</div>
<div id="output"></div>
<div id="noevents">noevents</div>
<div id="DOM0" onclick="alert('DOM0')">DOM0 event here</div>
<div id="handleevent">handleEvent</div>
</body>
</html>
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