<script>	function get_unix_time(dateStr){    var newstr = dateStr.replace(/-/g,‘/‘);     var date =  new Date(newstr);     var time_str = date.getTime().toString();    return time_str/1000;}console.log("1399479731")console.log(get_unix_time("2014-12-31"))console.log(get_unix_time("2015-02-08 00:22:11"))</script>