喜欢我吗？ body { position: relative; overflow: hidden; height: 100vh; margin: 0; } h1 { position: absolute; left: 280px; top: 155px; width: auto; height: 210px; text-align: center; } #By, #Bn { position: absolute; } input[type="button"] { padding: 10px 20px; cursor: pointer; }

你喜欢我吗?

<script>
    function f1() {
        alert("太好来，晚上一起吃饭看电影！！！");
    }

    var flag = 1;

    function f() {
        var Bn = document.getElementById('Bn');
        var aWidth = document.body.clientWidth || document.documentElement.clientWidth;
        var aHeight = document.body.clientHeight || document.documentElement.clientHeight;
        var sJs1 = Math.floor(Math.random() * aHeight);
        var sJs2 = Math.floor(Math.random() * aWidth);

        if (flag == 1) {
            Bn.style.top = sJs1 + 'px';
            Bn.style.left = sJs2 + 'px';
            flag = 2;
        } else if (flag == 2) {
            Bn.style.top = sJs1 + 'px';
            Bn.style.left = sJs2 + 'px';
            flag = 3;
        } else if (flag == 3) {
            Bn.style.top = 235 + 'px';
            Bn.style.left = 286 + 'px';
            flag = 4;
        } else if (flag == 4) {
            Bn.style.top = 235 + 'px';
            Bn.style.left = 360 + 'px';
            flag = 1;
        }
    }

    function f2() {
        alert('这不是你的真心话！');
    }
</script>