81 lines
1.8 KiB
HTML
81 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<link rel="stylesheet" href="./css/clear.css">
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<style>
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body {
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height: 100vh;
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position: relative;
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}
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span {
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position: absolute;
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user-select: none;
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transition: all 0.8s ease;
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}
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</style>
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</head>
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<body>
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</body>
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<script>
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// 在你点击位置生产 span 标签
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// 让span标签运动起来
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var Text = ["富强", "民主", "文明", "和谐", "自由", "平等", "公正", "法治", "爱国", "敬业", "诚信", "友善"];
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var index = 0;
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// 定义下标
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// Math.random() * (max - min) + min
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$("body").onclick = (e) => {
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var { x, y } = e;
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console.log(x, y)
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var span = document.createElement("span")
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console.dir(span)
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span.innerText = Text[index];
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span.style = `
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left:${x}px;
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top:${y}px;
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color:hsl(${parseInt(Math.random() * 360)},100%,50%)
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`
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// 取随机数整数
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index++
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index > 11 ? index = 0 : '';
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// 判断条件 ? 当条件为真执行 : 当条件为假执行
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console.log(span)
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$("body").appendChild(span)
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// 把子容器span追加在父容器body里面
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// span为虚拟dom，不能是字符串
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motion(span, y)
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}
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function motion(el,y) {
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setTimeout(() => {
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el.style.top = `${y - 100}px`
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}, 100)
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setTimeout(() => {
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$("body").removeChild(el)
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}, 900)
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}
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// 获取单个标签
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function $(className) {
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return document.querySelector(className)
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}
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</script>
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</html> |