JavaScript获取默认显示当日日期

2021-04-12  本文已影响0人  祈澈菇凉

1:时间格式为
2021/4/2

<!DOCTYPE html>
<html>
 
    <head>
        <meta charset="UTF-8">
        <script src="http://code.jquery.com/jquery-1.8.0.min.js"></script>
        <title></title>
    </head>
 
    <body>
        <input type="text" name="alertDateQuery" id="aDate">
 
    </body>
 
    <script type="text/javascript">
        var mydateInput = document.getElementById("aDate");
        var date = new Date();
        var dateString = date.getFullYear() + "/" + (date.getMonth() + 1) + "/" + date.getDate();
        mydateInput.value = dateString;
    </script>
 
</html>

2:时间格式为
yyyy-MM-dd
2021-04-01

var mydateInput = document.getElementById("beginDate1");
        var date = new Date();
        // var dateString = date.getFullYear() + "/" + (date.getMonth() + 1) + "/" + date.getDate();
        //下面语句判断,当月份小于10月时,前面位0
        var Y = date.getFullYear();
        var M = date.getMonth() + 1;
        
        if( M < 10){
            M = '0' + M;
            }
        var D = date.getDate();
        if( D < 10){
            D = '0' + D;
            }
        var dateString = Y + "-" + M + "-" + D;
        mydateInput.value = dateString;
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