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网站js实现倒计时跳转
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实例：
<head> <meta charset="UTF-8"> <title>消息提示</title> <style> #Time,#p{ font-size: 25px; text-align: center; } #msg,#h3{ font-size: 35px; text-align: center; } #url,#p{ font-size: 15px; text-align: center; } </style> </head> <body> <h3 id="msg">{{msg}}</h3> <p id="Time">5</p> <p id="url">即将跳转：<a href="{{url}}">{{url}}</a></p> <script> //使用匿名函数方法 function countDown() { let time = document.getElementById("Time"); let time_second = parseInt(time.innerHTML) //获取到id为time标签中的内容，现进行判断 if (time_second <= 0) { //等于0时清除计时 window.location.href = "{{url}}" } else { let next_time = time_second - 1 time.innerHTML = next_time.toString(); } } //1000毫秒调用一次 window.setInterval(countDown, 1000); </script
