2、Date

    <script>
        var date= new Date();
        /* 年月日 */
        console.log(date)
        var year  = date.getFullYear();
        console.log(year)
        /* 月份从0开始 */
        var  month =  date.getMonth()+1;
        console.log(month)
        var  data = date.getDate();
        console.log(data)
    </script>

获取当前的时间

    <script>
        var d = new Date();
        var hours = d.getHours();
        var minutes = d.getMinutes();
        var seconds = d.getSeconds();
        console.log(hours)
        console.log(minutes)
        console.log(seconds)
    </script>