jQuery - Filters
jQuery Filters
You can employ jQuery to find and display particular elements on a web page.
Filter Tables
Search for items in a table without considering uppercase and lowercase letters:
Example explained: We use jQuery to loop through each table row to check if any text matches the input field value. The toggle() method hides rows (display:none) that don't match the search. We use the toLowerCase() DOM method to convert the text to lower case, making the search case insensitive (so "john", "John", and "JOHN" will all match).
Filter Lists
Search for items in a list without considering uppercase and lowercase letters:
Filter Anything
Search for text inside a div element without caring about uppercase or lowercase letters.
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-3.7.1.js" integrity="sha256-eKhayi8LEQwp4NKxN+CfCh+3qOVUtJn3QNZ0TciWLP4=" crossorigin="anonymous"></script>
<script>
$(document).ready(function() {
$("#myInput").on("keyup", function() {
var value = $(this).val().toLowerCase();
$("#myTable tr").filter(function() {
$(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
});
});
});
</script>
<style>
table {
font-family: arial, sans-serif;
border-collapse: collapse;
width: 100%;
}
td,
th {
border: 1px solid #dddddd;
text-align: left;
padding: 8px;
}
tr:nth-child(even) {
background-color: #dddddd;
}
</style>
</head>
<body>
<h2>Filterable Table</h2>
<p>Type something in the input field to search the table for first names, last names or emails:</p>
<input id="myInput" type="text" placeholder="Search..">
<br>
<br>
<table>
<thead>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>Email</th>
</tr>
</thead>
<tbody id="myTable">
<tr>
<td>John</td>
<td>Doe</td>
<td>john@example.com</td>
</tr>
<tr>
<td>Mary</td>
<td>Moe</td>
<td>mary@mail.com</td>
</tr>
<tr>
<td>July</td>
<td>Dooley</td>
<td>july@greatstuff.com</td>
</tr>
<tr>
<td>Anja</td>
<td>Ravendale</td>
<td>a_r@test.com</td>
</tr>
</tbody>
</table>
<p>Note that we start the search in tbody, to prevent filtering the table headers.</p>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-3.7.1.js" integrity="sha256-eKhayi8LEQwp4NKxN+CfCh+3qOVUtJn3QNZ0TciWLP4=" crossorigin="anonymous"></script>
<script>
$(document).ready(function() {
$("#myInput").on("keyup", function() {
var value = $(this).val().toLowerCase();
$("#myList li").filter(function() {
$(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
});
});
});
</script>
</head>
<body>
<h2>Filterable List</h2>
<p>Type something in the input field to search the list for specific items:</p>
<input id="myInput" type="text" placeholder="Search..">
<br>
<ul id="myList">
<li>First item</li>
<li>Second item</li>
<li>Third item</li>
<li>Fourth</li>
</ul>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-3.7.1.js" integrity="sha256-eKhayi8LEQwp4NKxN+CfCh+3qOVUtJn3QNZ0TciWLP4=" crossorigin="anonymous"></script>
<script>
$(document).ready(function() {
$("#myInput").on("keyup", function() {
var value = $(this).val().toLowerCase();
$("#myDIV *").filter(function() {
$(this).toggle($(this).text().toLowerCase().indexOf(value) > -1)
});
});
});
</script>
</head>
<body>
<h2>Filter Anything</h2>
<p>Type something in the input field to search for a specific text inside the div element with id="myDIV":</p>
<input id="myInput" type="text" placeholder="Search..">
<div id="myDIV">
<p>I am a paragraph.</p>
<div>I am a div element inside div.</div>
<button>I am a button</button>
<button>Another button</button>
<p>Another paragraph.</p>
</div>
</body>
</html>
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