first commit

历届学生/font-end-nine/项目练习/学生项目/刘正阳/每日练习/6.15 js练习/index.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <button>点击</button>
+    <div style="display: block;" class="text">别点了- -</div>
+</body>
+<script>
+    var botton = $("botton"),text = $("text")
+    botton.onclick = function () {
+        if (text.style.display == "block"){
+            text.style.display = "none"
+        }
+        else{
+            text.style.display = "block"
+            text.style.color = `hsl(${Math.random() * 360},100%,50%)`
+                }
+    }
+    function $(className) {
+        return document.querySelector(className)
+    }
+</script>
+</html>

历届学生/font-end-nine/项目练习/学生项目/刘正阳/每日练习/6.15 js练习/tab.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <style>
+        ul,li {
+            margin: 0;
+            padding: 0;
+            list-style: none;
+        }
+
+        .title {
+            display: flex;
+        }
+        .title li {
+            margin-right: 10px;
+        }
+
+        .title .active {
+            color: red;
+        }
+
+        .content li {
+            display: none;
+        }
+
+        .content .active {
+            display: block;
+        }
+
+    </style>
+</head>
+<body>
+    <ul class="tittle">
+        <li class="active">首页</li>
+        <li>游戏</li>
+        <li>电影</li>
+        <li>体育</li>
+    </ul>
+
+    <ul class="content">
+        <li class="active">首页 的内容</li>
+        <li>游戏 的内容</li>
+        <li>电影 的内容</li>
+        <li>体育 的内容</li>
+    </ul>
+</body>
+
+<script>
+    var tittleLi = _("tittle li"),contentLi = _("content li")
+
+    tittleLi.forEach(function(item, index) {
+        item.className = ""
+        contentLi[index].className = ""
+    })
+
+    v.className = "active"
+    contentLi[i].className = "active"
+
+    function $(className) {
+        return document.querySelector(className)
+  }
+  function _(className) {
+        return document.querySelectorAll(className)
+  }
+</script>
+</html>

历届学生/font-end-nine/项目练习/学生项目/刘正阳/每日练习/6.15 js练习/右键菜单.html

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <style>
+        body {
+            height: 100vh;
+        }
+
+        body,
+        ul,
+        li {
+            margin: 0;
+            padding: 0;
+            list-style: none;
+        }
+
+        ul {
+            width: 152px;
+            border-radius: 6px;
+            box-shadow: 2px 2px 9px #d7d7d7;
+            display: none;
+            position: fixed;
+        }
+
+        li {
+            height: 40px;
+            padding: 0 15px;
+            box-sizing: border-box;
+            line-height: 40px;
+        }
+    </style>
+</head>
+<body>
+    <ul>
+        <li>新建文件夹</li>
+        <li>上传文件</li>
+        <li>上传文件夹</li>
+        <li>刷新网页</li>
+    </ul>
+</body>
+
+<script>
+    $("body").oncontextmenu = function (e) {
+        e.preventDefault();
+
+        var { x, y } = e;
+        var { clientWidth, clientHeight } = document.body;
+
+        if (clientWidth - x < 152 && clientHeight - y <160){
+            $("ul").style = `
+            top: ${y - 160}px;
+            left: ${x - 152}px;
+            display:block;`
+        }else if (clientWidth - x < 152) {
+            $("ul").style = `
+            top: ${y}px;
+            left: ${x - 152}px;
+            display: block;
+            `
+        }else if (clientHeight - y < 160){`
+            top: ${y - 160}px;
+            left: ${x}px;
+            display:block;`
+        }else {
+            $("ul").style = `
+                top: ${y}px;
+                left: ${x}px;
+                display: block;
+            `
+    }}
+</script>
+</html>

历届学生/font-end-nine/项目练习/学生项目/刘正阳/每日练习/6.15 js练习/富强.html

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <style>
+        body {
+            height: 100vh;
+        }
+
+        body,
+        ul,
+        li {
+            margin: 0;
+            padding: 0;
+            list-style: none;
+        }
+
+        span {
+            position: fixed;
+        }
+    </style>
+</head>
+
+<body>
+
+</body>
+
+<script>
+    var textArr = ['富强', '民主', '文明', '和谐', '自由', '平等', '公正', '法治', '爱国', '敬业', '诚信', '友善']
+    var index = 0;
+
+    $("body").onclick = function (e) {
+        var time = null;
+        var { x, y } = e;
+        var span = document.createElement("span");
+        span.innerText = textArr[index];
+
+        span.style = `
+        left:${x}px;
+        top:${y}px;
+        `;
+
+        index++
+        index > 11 ? index = 0 : ''
+
+        span.move = 0
+
+        $("body").appendChild(span)
+
+        function motion() {
+            span.move += 4;
+            console.log("span.move: ", span.move);
+            if (span.move > 100) {
+                setTimeout(() => $("body").removeChild(span),
+                    cancelAnimationFrame(time))
+            }
+            else {
+                span.style.top = `${y - span.move}px`
+                time = requestAnimationFrame(motion)
+            }
+        }
+        motion()
+    }
+
+    function motion(el, y) {
+        time = setTimeout(function fn() {
+            el.move += 4;
+            console.log("el.move: ", el.move);
+            if (el.move > 100) {
+                setTimeout(() => $("body").removeChild(el), 300)
+                clearTimeout(time)
+            } else {
+                el.style.top = `${y - el.move}px`
+                time = setTimeout(fn, 1000 / 60)
+            }
+        }, 1000 / 60)
+
+
+        setTimeout(function () {
+            $("body").removeChild(el)
+        }, 800)
+
+    }
+
+    function a() {
+        var c = 1
+        function test() {
+            c++
+            return c;
+        }
+        return test
+    }
+
+    var t = a();
+    console.log(t());
+    console.log(t());
+
+    var c = a();
+    console.log(c());
+
+    function $(className) {
+        return document.querySelector(className)
+    }
+
+
+
+</script>
+
+</html>

历届学生/font-end-nine/项目练习/学生项目/刘正阳/每日练习/6.15 js练习/搜索建议.html

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+
+<body>
+    <input type="text" placeholder="请输入搜索关键字">
+    <ul></ul>
+</body>
+<script>
+    var arr = ['今天天气不好', 'js学习', 'js练习', '不想学习', '今天天气一般，是阴天', '不喜欢学习'];
+   
+    $("input").oninput = function () {
+        searchList = []
+        if ($("input").value.length != 0) {
+            arr.forEach(function (v, i) {
+                if (v.includes($("input").value)) {
+                    var span = `<span style="color: red;">${$("input").value}</span>`
+                    searchList.push(v.replace($("input").value, span))
+                }
+            });
+            
+            renderLi();
+        } else {
+            $("ul").innerHTML = ""
+        }
+    }
+
+    function renderLi() {
+        $("ul").innerHTML = ""
+        searchList.forEach(function (v, i) {
+            $("ul").innerHTML += `<li>${v}</li>`
+        })
+    }
+
+    function $(className) {
+        return document.querySelector(className)
+    }
+</script>
+
+</html>

历届学生/font-end-nine/项目练习/学生项目/刘正阳/每日练习/6.15 js练习/滚动固定.html

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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>滚动固定</title>
+    <style>
+        body {
+            height: 30000px;
+        }
+
+        .header {
+            width: 100%;
+            height: 50px;
+            background: red;
+        }
+
+        .fixed {
+            position: fixed;
+            width: 100%;
+            left: 0;
+            top: 0;
+        }
+    </style>
+</head>
+
+<body>
+    <div class="header"></div>
+</body>
+<script>
+    var header = $(".header");
+
+    $("body").onscroll = function () {
+        if (document.documentElement.scrollTop > 100) {
+            header.className = "header fixed"
+        } else {
+            header.className = "header"
+        }
+    }
+
+    function $(className) {
+        return document.querySelector(className)
+    }
+    
+</script>
+
+</html>