练习demo

编辑器制作效果展示：

页面展示
代码展示：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #div {border-radius: 70px;width: 200px;height: 200px;background-color: green;position: absolute;left: 0;top: 0}
        #div1 {width: 220px;height: 220px;transform: rotate(45deg);position: absolute;left: -10px;top: -10px}
        .bt {color: #6b1d7f;transition: all 0.5s;position: absolute;width: 50px;height: 50px;border-radius: 20px;font-size: 30px;font-weight: bold;outline: 0;border: 0;text-align: center;line-height: 40px}
        .bt:hover {background-color: yellow}
        .bt:active {color: red;transform: scale(1.2)}
        .bt1 {left: 50%;margin-left: -25px}
        .bt2 {left: 50%;margin-left: -25px;top: 100%;margin-top: -50px}
        .bt3 {top: 50%;margin-top: -25px}
        .bt4 {left: 100%;margin-left: -50px;top: 50%;margin-top: -25px}
        .span {background-color: deeppink;transform: rotate(-45deg);position: absolute;border-radius: 10px;width: 100px;height: 50px;left: 50%;top: 50%;margin-top: -25px;margin-left: -50px;text-align: center;line-height: 50px;font-size: 40px;color: white}
    </style>
</head>
<body>
<div id="div">
    <div id="div1">
        <button class="bt bt1">↑</button>
        <button class="bt bt2">↓</button>
        <button class="bt bt3">←</button>
        <button class="bt bt4">→</button>
        <span class="span">111</span>
    </div>
</div>
<script>
    var speed = 1;
    var timer;
    var od = document.querySelector("#div");
    var os = document.querySelector(".span");
    var obt = document.querySelectorAll(".bt");
     // 触控方法
    for (var i = 0; i < obt.length; i++) {
        obt[i].addEventListener("mouseover", run);
        od.addEventListener("click", function () {
            clearInterval(timer);
        })
    }
    // 触控逻辑
    function run() {
        clearInterval(timer);
        var v = this.innerText;
        switch (v) {
            case "↑":
                timer = setInterval(function () {
                    os.innerText = "右上";
                    od.style.top = od.offsetTop - speed + "px";
                    od.style.left = od.offsetLeft + speed + "px";
                }, 10)
                break;
            case "↓":
                timer = setInterval(function () {
                    os.innerText = "左下";
                    od.style.top = od.offsetTop + speed + "px";
                    od.style.left = od.offsetLeft - speed + "px";
                }, 10)
                break;
            case "←":
                timer = setInterval(function () {
                    os.innerText = "左上";
                    od.style.top = od.offsetTop - speed + "px";
                    od.style.left = od.offsetLeft - speed + "px";
                }, 10)
                break;
            case "→":
                timer = setInterval(function () {
                    os.innerText = "右下";
                    od.style.top = od.offsetTop + speed + "px";
                    od.style.left = od.offsetLeft + speed + "px";
                }, 10)
                break;
        }
    }
</script>
</body>
</html>
整理笔记时发现自己做的小demo,传上来了，么么哒！
来源：https://blog.csdn.net/jiepp/article/details/101149753
标签
speed