!DOCTYPE html  html lang= en xmlns= http://www.w3.org/1999/xhtml  head  meta charset= utf-8 /  title /title  style type= text/css  #result{ width:500px; border:1px solid #CCCCCC; background:#FFFFCC; margin:50px auto; font-size:24px; color:#FF0000; padding:20px; /style  script type= text/javascript  window.onload = function () { showTime(); var start = document.getElementById( start  start. unction () { var path = document.getElementById( path ).value; var time1 = document.getElementById( time1 ).value; var time2 = document.getElementById( time2 ).value; var time3 = document.getElementById( time3 ).value; start.value = 等待打開搶單頁面  setInterval(function () { var date = new Date(); var hour = date.getHours(); var minute = date.getMinutes(); var second = date.getSeconds(); if (hour == time1 minute == time2 second == time3) { window.open(path); }, 100); function showTime() //創(chuàng)建Date對象 var today = new Date(); //分別取出年、月、日、時、分、秒 var year = today.getFullYear(); var month = today.getMonth()+1; var day = today.getDate(); var hours = today.getHours(); var minutes = today.getMinutes(); var seconds = today.getSeconds(); //如果是單個數(shù)，則前面補0 month = month 10 ? 0 +month : month; day = day 10 ? 0 +day : day; hours = hours 10 ? 0 +hours : hours; minutes = minutes 10 ? 0 +minutes : minutes; seconds = seconds 10 ? 0 +seconds : seconds; //構(gòu)建要輸出的字符串 var str = year+ 年 +month+ 月 +day+ 日 +hours+ : +minutes+ : +seconds;  //獲取id=result的對象 var obj = document.getElementById( result  //將str的內(nèi)容寫入到id=result的 p 中去 obj.innerHTML = str; //延時器 window.setTimeout( showTime() ,1000); /script  /head  body  h2 1,同步電腦時間和北京時間 /h2  h2 2,設(shè)置path地址為需要搶券的地址和搶券時間 /h2  !-- h3 搶券地址 /h3 input type= text id=path / --  h3 搶券地址(注意不要漏掉http://或者https://) /h3 !-- textarea id= path >
以上就是html實現(xiàn)雙11搶劵以及設(shè)定時間打開搶券頁面的實例的詳細內(nèi)容，html教程        
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