<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
#div1{
height: 2000px;
background: pink;
}
#div2{
height: 500px;
background: skyblue;
}
</style>
</head>
<body>
<!--<a href="#div2"></a>-->
<button>百度</button>
<button class="btn2">跳转到div2</button>
<button class="back">back</button>
<button class="qianjin">前进</button>
<div id="div1">
</div>
<div id="div2">
</div>
<script type="text/javascript">
// navigator.geolocation.getCurrentPosition(function(e){
// console.log(e)
// },function(err){
// console.log(err)
// })
document.querySelector('button').onclick = function(){
location.href = 'http://www.baidu.com'
}
document.querySelector('.btn2').onclick = function(){
location.hash = '#div2'
}
document.querySelector('.back').onclick = function(){
//history.go可以前进和后退。并且可以前进或者是后退几步,前进是正值,后退是负值
// history.go(-1)
history.back()
}
document.querySelector('.qianjin').onclick = function(){
history.forward()
}
</script>
</body>
</html>