js 字符串转日期

/*'yyyy-MM-dd HH:mm:ss'格式的字符串转日期*/
function stringToDate(str){
    var tempStrs = str.split(" ");
    var dateStrs = tempStrs[0].split("-");
    var year = parseInt(dateStrs[0], 10);
    var month = parseInt(dateStrs[1], 10) - 1;
    var day = parseInt(dateStrs[2], 10);
    var timeStrs = tempStrs[1].split(":");
    var hour = parseInt(timeStrs [0], 10);
    var minute = parseInt(timeStrs[1], 10);
    var second = parseInt(timeStrs[2], 10);
    var date = new Date(year, month, day, hour, minute, second);
    return date;