68 lines
1.5 KiB
HTML
68 lines
1.5 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>搜索建议</title>
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</head>
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<body>
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<input type="text" placeholder="输入关键字">
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<ul>
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</ul>
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</body>
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<script>
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// 给输入框绑定 oninput 事件 ，实时获取输入框的数值
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// 然后从我们内置的数组中找到匹配项
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// 搜索结果的关键字 加红 表示
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var input = $("input"),
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keyWord = [ 'html学习', '不想学html', '学习html和css', '天气不好', '今天心情不好', 'css入门学习', '心情很好' ],
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newArr = [];
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input.oninput = () => {
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newArr = []
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if (input.value.length != 0) {
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keyWord.forEach((value, index) => {
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if (value.includes(input.value)) {
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var newText = value.replace(input.value, `<span style="color: red">${input.value}</span>`);
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newArr.push(newText)
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}
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});
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renderPage()
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} else {
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$("ul").innerHTML = ""
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}
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}
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// 将 newArr 显示到页面上
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function renderPage() {
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$("ul").innerHTML = ""
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newArr.forEach((value, index) => {
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$("ul").innerHTML += `<li>${value}</li>`
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})
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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>
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