星期五 小雨转阴 19～27℃

js时间比较

function compareTime(begin, end) {
 var begin_time = new Date("1970/1/1 " + begin);
 var end_time = new Date("1970/1/1 " + end);
 if(isNaN(begin_time) || isNaN(end_time)){
  return null
 }
 if(begin_time > end_time) {
  return 1;
 }
 if(begin_time < end_time) {
  return -1;
 }
 return 0;
}

var begin_time = ’8:00′;
var end_time = ’9:00′;
alert(compareTime(begin_time, end_time));