<!doctype html> <html> <head> <meta charset="utf-8"> <title>2018倒计时</title> </head> <body> <span id="target"></span> <script type="text/javascript"> // 为了简化。每月默认30天 function getTimeString() { var start = new Date(); var end = new Date(start.getFullYear() + 1, 0, 1); var elapse = Math.floor((end - start) / 1000); var seconds = elapse % 60 ; var minutes = Math.floor(elapse / 60) % 60; var hours = Math.floor(elapse / (60 * 60)) % 24; var days = Math.floor(elapse / (60 * 60 * 24)) % 30; var months = Math.floor(elapse / (60 * 60 * 24 * 30)) % 12; var years = Math.floor(elapse / (60 * 60 * 24 * 30 * 12)); return start.getFullYear() + '年还剩' + years + '年' + months + '月' + days + '日' + hours + '小时' + minutes + '分' + seconds + '秒'; } function domText(elem, text) { if (text == undefined) { if (elem.textContent) { return elem.textContent; } else if (elem.innerText) { return elem.innerText; } } else { if (elem.textContent) { elem.textContent = text; } else if (elem.innerText) { elem.innerText = text; } else { elem.innerHTML = text; } } } var target = document.getElementById('target'); setInterval(function () { domText(target, getTimeString()); }, 1000) </script> </body> </html>
网页上实现一个计算当年还剩多少时间的倒数计时程序
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转载自www.cnblogs.com/ljhello/p/9083053.html
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