为什么我的定时器消除不了

来源：3-13 编程练习

好学生慕小帅

2022-07-30 10:05:01

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>Document</title>
    <style>
        div {
            width: 300px;
            margin: 20px 0;
            line-height: 30px;
            background: yellowgreen;
        }
    </style>
</head>

<body>
    <button id="start">开始</button>
    <button id="stop">停止</button>
    <div id="box"></div>
    <script>
        const startBtn = document.getElementById('start')
        const stopBtn = document.getElementById('stop')
        const box = document.getElementById('box')
        var show = {
            content: "Hello World",
            timer: null,
            start: function () {
                start.addEventListener(
                    'click',
                    () => {
                        var time = setInterval(() => {
                            box.innerHTML += this.content + ' ';
                        },1000)
                    }
                )
            },
            stop: function () {
                stop.onclick = function() {
                    clearInterval(time);
                }
            },
        }
        show.start();
        show.stop();
    </script>
</body>

</html>

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