js判断日期是否大于当前日期

var myDate = new Date();

var now = myDate.valueOf();

var time = new Date(value).valueOf();

if(now>time){

return true;

}else{

return false;

}

var ret = diffDate("pauseDate");

 if(ret == 1){

 alert("申请挂起结束时间必须在当前时间之后！");

 document.getElementById("pauseDate").value = "";

 document.getElementById('pauseDate').focus();

 return;

 }