5-4请老师检查
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>location方法</title>
</head>
<body>
<a href="file:///C:/Users/luke/Desktop/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/2.html">前往页面2</a>
<script type="text/javascript">
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>location方法2</title>
</head>
<body>
<a href="file:///C:/Users/luke/Desktop/%E6%96%B0%E5%BB%BA%E6%96%87%E4%BB%B6%E5%A4%B9/3.html">前往页面3</a>
<input type="button" value="回1" id="ck">
<script type="text/javascript">
var back1=document.getElementById("ck");
back1.onclick=function(){
window.history.go(-1);
}
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>location方法3</title>
</head>
<body>
<input type="button" value="回1" id="btn1">
<input type="button" value="回2" id="btn2">
<script type="text/javascript">
var back1=document.getElementById("btn1");
var back2=document.getElementById("btn2");
back1.onclick=function(){
window.history.back(-2);
}
back2.onclick=function(){
window.history.back(-1);
}
</script>
</body>
</html>
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