Javascript Event - 如何計(jì)數(shù)點(diǎn)擊和輸出點(diǎn)擊計(jì)數(shù)
我們想知道如何計(jì)數(shù)點(diǎn)擊和輸出點(diǎn)擊計(jì)數(shù)。
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
window.onload=function(){
(function() {
var oCount = document.getElementById('count');
var oResult = document.getElementById('result');
var nCount = 0;
oCount.addEventListener('click', function(e) {
e.preventDefault();
nCount += 1;
switch(nCount) {
case 1:
oResult.innerHTML = 'One';
break;
case 2:
oResult.innerHTML = 'Two';
break;
default:
oResult.innerHTML = 'More than 2';
}
}, false);
})();
}
</script>
</head>
<body>
<a href="#" id="count">Count!</a>
<span id="result"></span>
</body>
</html>
The code above is rendered as follows:
【mouse】
