diff --git "a/42\345\224\220\347\232\223\351\242\226/\347\254\224\350\256\260/\344\275\234\344\270\232/11.17.html" "b/42\345\224\220\347\232\223\351\242\226/\347\254\224\350\256\260/\344\275\234\344\270\232/11.17.html"
new file mode 100644
index 0000000000000000000000000000000000000000..3440fea229512e34ae107347d1c272193cff2639
--- /dev/null
+++ "b/42\345\224\220\347\232\223\351\242\226/\347\254\224\350\256\260/\344\275\234\344\270\232/11.17.html"
@@ -0,0 +1,170 @@
+<!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 type="text/css">
+        #tab {
+            margin: 0 auto;
+            width: 700px;
+            height: 500px;
+            border: 1px solid black;
+            text-align: center;
+
+        }
+
+        #tab td {
+
+            border: 1px solid black;
+            text-align: center;
+            background-color: white;
+
+        }
+
+        #div1 {
+            width: 150px;
+            height: 50px;
+            margin: 0 auto;
+            text-align: center;
+        }
+
+        #span1 {
+            display: block;
+            margin: 0 auto;
+            text-align: center;
+        }
+    </style>
+    <script>
+        var time = 0;
+        var set;
+        function fn() {
+            time++;
+            console.log(time);
+            for (let i = 1; i <= 42; i++) {
+                var obj = document.getElementById("td" + i);
+                obj.style.backgroundColor = "white";
+            }
+            var num = Math.ceil(Math.random() * 42);
+            var obj = document.getElementById("td" + num);
+            obj.style.backgroundColor = "red";
+            var spanObj = document.getElementById("span1")
+            spanObj.innerText = "抽奖中......"
+            console.log(num);
+            if (time == 10) {
+                spanObj = document.getElementById("span1")
+                spanObj.innerText = "恭喜你，中奖了" + obj.innerText;
+                clearInterval(set);
+                time = 0;
+            }
+        }
+        function start() {
+            set = setInterval(fn, 100);
+        }
+
+        <!--------------------------------------------------------->
+        function fn1() {
+            time++;
+            console.log(time);
+            for (let i = 1; i <= 42; i++) {
+                var obj = document.getElementById("td" + i);
+                obj.style.backgroundColor = "white";
+            }
+            var num = Math.ceil(Math.random() * 42);
+
+            var obj = document.getElementById("td" + num);
+            obj.style.backgroundColor = "red";
+            var spanObj = document.getElementById("span1")
+            spanObj.innerText = "抽奖中......"
+            console.log(num);
+            if (time == 10) {
+                obj.style.backgroundColor = "white";
+                var obj1 = document.getElementById("td" + 35);
+                console.log(obj1);
+                spanObj = document.getElementById("span1")
+                spanObj.innerText = "恭喜你，中奖了" + obj1.innerText;
+                obj1.style.backgroundColor = "red";
+                clearInterval(set);
+                time = 0;
+            }
+        }
+        function start1() {
+            set = setInterval(fn1, 100);
+        }
+
+    </script>
+</head>
+
+<body>
+    <div id="div1">
+        <button id="but" onclick="start()">抽奖</button>
+    </div>
+    <span id="span1"></span>
+    <table id="tab">
+        <tr>
+            <td id="td1">郑玮喆</td>
+            <td id="td2">庄云</td>
+            <td id="td3">廖治先</td>
+            <td id="td4">郑文源</td>
+            <td id="td5">戴俊锋</td>
+        </tr>
+        <tr>
+            <td id="td6">陈昊童</td>
+            <td id="td7">谢金金</td>
+            <td id="td8">占志新</td>
+            <td id="td9">张淑芳</td>
+            <td id="td10">刘永潘</td>
+        </tr>
+        <tr>
+            <td id="td11">廖柏成</td>
+            <td id="td12">郑宗帅</td>
+            <td id="td13">李韦峰</td>
+            <td id="td14">吴欣燕</td>
+            <td id="td15">陈梅香</td>
+        </tr>
+        <tr>
+            <td id="td16">陈立智</td>
+            <td id="td17">袁贵森</td>
+            <td id="td18">赵浩敏</td>
+            <td id="td19">林世涛</td>
+            <td id="td20">罗启恒</td>
+        </tr>
+        <tr>
+            <td id="td21">卢国建</td>
+            <td id="td22">黄柱菘</td>
+            <td id="td23">陈鹏</td>
+            <td id="td24">张耀仁</td>
+            <td id="td25">陈华伟</td>
+        </tr>
+        <tr>
+            <td id="td26">张正豪</td>
+            <td id="td27">韦仲晓</td>
+            <td id="td28">黄富贵</td>
+            <td id="td29">陆建锋</td>
+            <td id="td30">曾德森</td>
+        </tr>
+        <tr>
+            <td id="td31">吴文龙</td>
+            <td id="td32">陆利群</td>
+            <td id="td33">黄雄</td>
+            <td id="td34">王世财</td>
+            <td id="td35">张先杰</td>
+        </tr>
+        <tr>
+            <td id="td36">胡基耀</td>
+            <td id="td37">马鑫涛</td>
+            <td id="td38">李涛</td>
+            <td id="td39">杨凌翔</td>
+            <td id="td40">罗此东</td>
+        </tr>
+        <tr>
+            <td id="td41">唐皓颖</td>
+            <td id="td42">白婉婷</td>
+
+        </tr>
+    </table>
+</body>
+
+</html>
\ No newline at end of file
diff --git "a/42\345\224\220\347\232\223\351\242\226/\347\254\224\350\256\260/\347\254\224\350\256\260/11.17.md" "b/42\345\224\220\347\232\223\351\242\226/\347\254\224\350\256\260/\347\254\224\350\256\260/11.17.md"
new file mode 100644
index 0000000000000000000000000000000000000000..6795943bfca707f0cfc35b9d019ea25fe4f66d96
--- /dev/null
+++ "b/42\345\224\220\347\232\223\351\242\226/\347\254\224\350\256\260/\347\254\224\350\256\260/11.17.md"
@@ -0,0 +1,11 @@
+document.getElementById()：如名
+
+document.getElementsByTagName()：如名
+
+setTimeout(, )：延迟执行函数
+
+setTimeout(, )：延迟循环执行函数
+
+.innerText：往html标签里插入元素
+
+window.confirm：弹出确认框
\ No newline at end of file

郑玮喆	庄云	廖治先	郑文源	戴俊锋
陈昊童	谢金金	占志新	张淑芳	刘永潘
廖柏成	郑宗帅	李韦峰	吴欣燕	陈梅香
陈立智	袁贵森	赵浩敏	林世涛	罗启恒
卢国建	黄柱菘	陈鹏	张耀仁	陈华伟
张正豪	韦仲晓	黄富贵	陆建锋	曾德森
吴文龙	陆利群	黄雄	王世财	张先杰
胡基耀	马鑫涛	李涛	杨凌翔	罗此东
唐皓颖	白婉婷