抽奖JQ

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>抽签</title>
    <script src="jquery-3.4.1.min.js"></script>
</head>
<script>
    $(function () {
        var names = [
            "张三",
            "李四",
            "诸葛亮",
            "刘备",
            "曹操",
            "韩非",
            "张良",
            "卫庄",
            "盖聂",
        ];
        var time;
        var index;
        $("#start").prop("disabled", false);
        $("#stop").prop("disabled", true);
        $("#start").click(function () {
            time = setInterval(function () {
                $("#start").prop("disabled", true);
                $("#stop").prop("disabled", false);
                index = Math.floor((Math.random() * 10) + 1);
                $("#name").prop("value", names[index]);
            });
        });
        $("#stop").click(function () {
            clearInterval(time);
            $("#start").prop("disabled", false);
            $("#stop").prop("disabled", true);
        });
    });
</script>

<body>
    <input type="text" id="name" value="张三" style="width: 250px;height: 50px;border: 2px solid black;text-align: center;
margin-left:450px;margin-top: 100px;red;color: white; font-size: 26px">
    <input type="button" id="start" value="开始" style="width: 70px;height: 35px; margin-left: 100px">
    <input type="button" id="stop" value="结束" style="width: 70px;height: 35px;">
</body>

</html>

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转载自www.cnblogs.com/yeyuyuni/p/11586576.html
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