Sau đây là mã để tạo menu tìm kiếm để lọc các liên kết bằng JavaScript -
Ví dụ
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: monospace;
}
.outer {
display: flex;
}
h2 {
text-align: center;
}
menu-left {
flex: 35%;
padding: 15px 0;
}
menu-left h2 {
padding-left: 8px;
}
.resultSide {
flex: 55%;
padding: 15px;
background-color: rgb(199, 199, 255);
}
.resultSide p {
font-size: 25px;
}
.searchBox {
font-size: 16px;
padding: 11px;
border: 2px solid black;
}
/* Style the navigation menu inside the left column */
.animalMenu {
list-style-type: none;
margin: 0px;
background-color: lightgoldenrodyellow;
}
.animalMenu li a {
padding: 12px;
text-decoration: none;
color: black;
display: block;
}
li {
font-size: 25px;
}
.animalMenu li a:hover {
background-color: rgb(255, 112, 112);
}
</style>
</head>
<body>
<h2>Search Animals</h2>
<div class="outer">
<div class="menu-left">
<h2 style="background-color: lightgoldenrodyellow;">Menu</h2>
<input type="text" maxlength="20" size="20" class="searchBox" placeholder="Search about animal...." />
<ul class="animalMenu">
<li><a href="#">Lion</a></li>
<li><a href="#">Giraffe</a></li>
<li><a href="#">Camel</a></li>
<li<a href="#">Tiger</a></li>
<li><a href="#">Cat</a></li>
</ul>
</div>
<div class="resultSide">
<h2>Page Header</h2>
<p>Some random text inside this box to demonstrate the example code</p>
<p>Some random text inside this box to demonstrate the example code</p>
</div>
</div>
<script>
let searchBox = document.querySelector(".searchBox");
let filterSearch, ulItem, liItem, links;
function processResults() {
input = document.getElementById("mySearch");
filterSearch = searchBox.value.toUpperCase();
ulItem = document.querySelector(".animalMenu");
liItem = ulItem.getElementsByTagName("li");
Array.from(liItem).forEach(element => {
links = element.getElementsByTagName("a")[0];
if (links.innerHTML.toUpperCase().indexOf(filterSearch) > -1) {
element.style.display = "";
} else {
element.style.display = "none";
}
});
}
searchBox.addEventListener("keyup", () => {
processResults();
});
</script>
</body>
</html> Đầu ra
Mã này sẽ tạo ra kết quả sau -
Khi tìm kiếm trong danh sách -
