JavaScript实现取整和取模

//以分钟为基数,获取分钟包含的天、小时、分钟

function getCostTime(minutes){
   var day=parseInt(minutes/1440);
   var hour=parseInt(minutes/60);
   var minute=parseInt(minutes%60);
   var string_description=day>0?day+"天":"";
   string_description+=hour>0?hour+"小时":"";
   string_description+=minute>0?minute+"分钟":"";
   return string_description;
}

//执行
(function(){
  var minutes=1426;
  var time=getCostTime(minutes);
  alert(time);
})();
//结果
23小时46分钟