关于用Javascript写获取当前div高度，鼠标滚动一下显示对应高度怎么写？
关于用Javascript写获取当前div高度，鼠标滚动一下显示对应高度怎么写？例如下面这个事例，我用鼠标滚动一下，显示page1的高度，再滚动一下，显示page2的高度。这样怎么写？
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
.main{width: 100%; height: auto;}
#page1{width: 100%; height: 600px; background: red;}
#page2{width: 100%; height: 500px; background: yellow;}
#page3{width: 100%; height: 700px; background: green;}
#page4{width: 100%; height: 400px; background: blue;}
</style>
<script type="text/javascript">
window.onload=function()
{
var page1=document.getElementById("page1");
page1.style.height='600px';
}
</script>
</head>
<body>
<div class="main">
<div id="page1">1</div>
<div id="page2">2</div>
<div id="page3">3</div>
<div id="page4">4</div>
</div>
</body>
</html>
hengyiyuan1回答
-
SuperManSuperWorld
<div id="wrap"> <div id="item1">1</div> <div id="item2">2</div> <div id="item3">3</div> <div id="item4">4</div> </div> <script> function getScrollTop(){ var scrollTop=0; if(document.documentElement && document.documentElement.scrollTop){ scrollTop=document.documentElement.scrollTop; }else if(document.body){ scrollTop=document.body.scrollTop; } return scrollTop; } //var scrollTop=getScrollTop(); window.onscroll=function(){ var scrollTop=getScrollTop(); var item1=document.getElementById('item1'); var item2=document.getElementById('item2'); var item3=document.getElementById('item3'); var item4=document.getElementById('item4'); if(scrollTop<460){ console.log('1Width: '+item1.offsetWidth+' 1Height: '+item1.offsetHeight); }else if(scrollTop>460 && scrollTop<848){ console.log('2Width: '+item2.offsetWidth+' 2Height: '+item2.offsetHeight); }else if(scrollTop>848 && scrollTop<1400){ console.log('3Width: '+item3.offsetWidth+' 3Height: '+item3.offsetHeight); }else if(scrollTop>1400){ console.log('4Width: '+item4.offsetWidth+' 4Height: '+item4.offsetHeight); } } //console.log(scrollTop); </script>
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相关分类
JavaScript