為什么點返回鍵不直接跳轉(zhuǎn)網(wǎng)頁
<!DOCTYPE?html>
<html?lang="en">
<head>
????<meta?charset="UTF-8">
????<title>編程練習</title>
</head>
<body>
<h1>操作成功</h1>
<span?id="second">5</span>
<span>秒后返回主頁</span>
<a?href="javascript:back()">返回</a>
<script?type="text/javascript">
?var?num?=document.getElementById("second").innerHTML;
?function?count()?{
????????num--;
?document.getElementById("second").innerHTML=num;
?if?(num==0){
????????????location.assign("http://idcbgp.cn");
?}
????}
????setInterval("count()",1000);
?function?back()?{
????????window.history.back();
?}
</script>
</body>
</html>為什么點返回鍵 不直接跳轉(zhuǎn)網(wǎng)頁
2018-11-14
2018-11-09
返回鍵根本沒亮怎么辦？
2018-11-07
你要現(xiàn)有歷史記錄才能返回。比如你先打開百度，再打開你的頁面，點擊返回試試