JavaScript_Date对象_实例方法_set类

 

设置一年后的今天：

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<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title>Document</title>

</head>

<body>

    <script>

        function setdays() {

            var d = new Date();

            console.log(d);

            var year = d.getFullYear();

            if (year % 4 === 0 && year % 100 != 0 || year % 400 === 0) {

                console.log(new Date(d.setDate(d.getDate() + 366)));;

            } else {

                console.log(new Date(d.setDate(d.getDate() + 365)));;

            }

        }

        setdays();

    </script>

</body>

</html>