JS计算距当前时间的时间差实例

/** * JS获取距当前时间差 *  * @param int time 时间戳格式 * */function get_time_diff(time) { var diff = ''; var time_diff = new Date().getTime() - time; //时间差的毫秒数   //计算出相差天数  var days = Math.floor(time_diff / (24 * 3600 * 1000)); if (days > 0) { diff += days + '天'; } //计算出小时数  var leave1 = time_diff % ( 24 * 3600 * 1000);  var hours = Math.floor(leave1 / (3600 * 1000)); if (hours > 0) { diff += hours + '小时'; } else { if (diff !== '') {  diff += hours + '小时'; } } //计算相差分钟数  var leave2 =leave1 % (3600 * 1000); var minutes = Math.floor(leave2 / (60 * 1000)); if (minutes > 0) { diff += minutes + '分'; } else { if (diff !== '') {  diff += minutes + '分'; } } //计算相差秒数  var leave3 = leave2%(60*1000); var seconds = Math.round(leave3/1000); if (seconds > 0) { diff += seconds + '秒'; } else { if (diff !== '') {  diff += seconds + '秒'; } }  return diff;}