44 lines
1.2 KiB
HTML
44 lines
1.2 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 name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>搜索引擎</title>
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</head>
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<body>
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<div class="search">
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<select id="menu" >
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<option value="null">--请选择--</option>
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<option value="https://www.baidu.com/s?wd=">百度搜索</option>
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<option value="https://www.so.com/s?q=">360搜索</option>
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<option value="https://www.sogou.com/web?query=">搜狗搜索</option>
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</select>
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<input type="text" placeholder="请输入要检索的内容" id="keyword">
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<button onclick="Search()">搜索</button>
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</div>
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<script>
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function Search() {
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var key = document.getElementById("keyword")
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var sou = document.getElementById("menu")
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if (sou.selectedIndex === 0 || key.value.length === 0) {
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alert("请检查是否选择搜索引擎和输入关键词")
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}else {
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open(sou.options[sou.selectedIndex].value+key.value)
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}
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}
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</script>
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</body>
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</html> |