54 lines
1.3 KiB
HTML
54 lines
1.3 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>Document</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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var keyword = ['今天天气不好', '今天很开心', '大事不好','我不开心', '天气很一般'];
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var newWord = [];
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$("input").oninput = () => {
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if ($("input").value.length != 0) {
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newWord = []
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keyword.forEach(v => {
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if (v.includes($("input").value)) {
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var news = v.replaceAll(
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$("input").value,
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`<span style="color:red;">${$("input").value}</span>`
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)
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newWord.push(news)
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}
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});
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renderLi()
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}
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}
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function renderLi() {
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$("ul").innerHTML = ""
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newWord.forEach(v => {
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$("ul").innerHTML += `<li>${v}</li>`
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})
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}
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function $(className) {
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return document.querySelector(className)
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}
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// 箭头函数和传统的函数除了写法的不一样，还有其他吗？
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// 箭头函数解绑this指向
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</script>
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</html> |