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区块停留计数setInterval实现.html
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区块停留计数setInterval实现.html
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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset=utf-8>
<title>timeCounter</title>
</head>
<style>
.mod-spm[data-spmid='123']{
width: 100px;
height: 100px;
margin-right: auto;
margin-left: auto;
margin-bottom: 20px;
background-color: #fff;
border: 2px #000 solid;
}
.mod-spm[data-spmid='456']{
width: 100px;
height: 100px;
margin-right: auto;
margin-left: auto;
margin-bottom: 20px;
background-color: #fff;
border: 2px #000 solid;
}
.mod-spm[data-spmid='789']{
width: 100px;
height: 100px;
margin-right: auto;
margin-left: auto;
margin-bottom: 20px;
background-color: #fff;
border: 2px #000 solid;
}
</style>
<body>
<div class="mod-spm" data-spmid="123">
<div class="child_a"></div>
<div class="child_b"></div>
<div class="child_c"></div>
<div class="child_d"></div>
</div>
<div class="mod-spm" data-spmid="456">
<div class="child_a"></div>
<div class="child_b"></div>
<div class="child_c"></div>
<div class="child_d"></div>
</div>
<div class="mod-spm" data-spmid="789">
<div class="child_a"></div>
<div class="child_b"></div>
<div class="child_c"></div>
<div class="child_d"></div>
</div>
<script type="text/javascript">
var counter = 0,
counter1 = 0,
counter2 = 0,
counter3 = 0;
var timer = null;
function timerCounter(div,counter,num){
div.addEventListener('mouseover',function(){
timer = setInterval(count,1000);
},false);
div.addEventListener('mouseout',function(){
clearInterval(timer);
timer = null;
},false);
var span = document.createElement('span');
div.appendChild(span);
function count(){
counter++;
span.innerHTML = 'STAY：'+counter;
console.log('区块'+num+'上停留的时间为：'+counter);
}
return counter;
}
var div = document.getElementsByClassName('mod-spm');
timerCounter(div[0],counter1,div[0].dataset['spmid']);
timerCounter(div[1],counter2,div[1].dataset['spmid']);
timerCounter(div[2],counter3,div[2].dataset['spmid']);
</script>
</body>
</html>