js获取系统时间并格式化

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获取系统时间,并格式化

<!DOCTYPE html>    <html>    <head>        <meta charset="utf-8">        <title>js显示当前时间</title>    </head>    <body>        <div style="width: 200px;height:200px;" onclick="getNowFormatDate();">        显示当前时间    </div>        <script type="text/javascript">            //获取当前系统时间            function getNowFormatDate() {                var date = new Date();                var strMonth = date.getMonth() + 1;                var strDate = date.getDate();                var strHour = date.getHours();                var strMin = date.getMinutes();                var strSec = date.getSeconds();                if (strMonth >= 1 && strMonth <= 9) {                    strMonth = "0" + strMonth;                }                if (strDate >= 0 && strDate <= 9) {                    strDate = "0" + strDate;                }                if (strHour >= 0 && strHour <= 9) {                    strHour = "0" + strHour;                }                if (strMin >= 0 && strMin <= 9) {                    strMin = "0" + strMin;                }                if (strSec >= 0 && strSec <= 9) {                    strSec = "0" + strSec;                }                var currentdate = date.getFullYear() + '-'                         + strMonth + '-'                          + strDate + ' '                        + strHour + ':'                        + strMin + ':'                        + strSec;                alert(currentdate);            }     </script>    </body>    </html>   

显示效果
格式化后的时间

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