first commit

历届学生/fontendseven/项目练习/个人练习/蔡敏/练习/js/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="请输入关键字">
+    <ul>
+        
+    </ul>
+</body>
+
+<script>
+    var keyword = $("input")
+    var keyWordList = ['今天天气真好', '你真好', '天气是阴天', 'js学习', '不想学习js', '学习html', '学不会html'];
+    var result
+    keyword.oninput = () => {
+        result= []
+        if (keyword.value.length != 0) {
+            keyWordList.forEach(v => {
+                if (v.indexOf(keyword.value) != -1) {
+                    var newVal = v.replaceAll(keyword.value,`<span style='color: red;'>${keyword.value}</span>`)
+                    result.push(newVal)
+                }
+            })
+        }
+        
+        renderResult ()
+    }
+
+    function renderResult () {
+        $("ul").innerHTML = ""
+        result.forEach(v => {
+           $("ul").innerHTML += `<li>${v}</li>`
+        })
+    }
+
+
+
+
+
+    function $(className) {
+        return document.querySelector(className)
+    }
+</script>
+</html>