让链接必须按先后顺序点击的JS代码

<title>让链接必须按先后顺序点击的JS代码</title> <script language="JavaScript"> var num = 2; var mypage = '/tools'; var pissoff = ' 请先点击上面链接 '; allow = Array(); allow[num] = 2; function gotoit(link){ if (link != num){ allow[link] = 2; } else { for (i=1;i<=num;i++){ if (allow[i] != 2){ i = num + 1; lemmeIn = 0; } else { lemmeIn = 1; } } if (lemmeIn == 1){ window.location = mypage; } else { alert(pissoff); } } } //---> </script> <u>请先点击这里</u> <u>这是正常链接</u>
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