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สอบถามการใช้ฟังก์ชัน checkbox select all & uncheck หน่อยครับ |
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Code (PHP)
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Check All</title>
<style>
a small {
color:#0033ff;
}
</style>
</head>
<body>
<a title="Filter Category" id="general">
<i>
<strong>Count the checkboxes</strong>: <small class="counter"></small> <strong>Foo</strong>: <small class="counter-foo"></small> <strong>Bar</strong>: <small class="counter-bar"></small>
</i>
</a>
<div id="video-filter-container">
<div id="general-content">
<ul>
<li class="checkbox-foo category">
<label><input type="checkbox" class="select_all" /> Select All </label>
<ul>
<li><input value="11" type="checkbox" name="wpmm[]" checked /> Foo1</li>
<li><input value="12" type="checkbox" name="wpmm[]" /> Foo2</li>
</ul>
</li>
<li class="checkbox-bar category">
<label><input type="checkbox" class="select_all" /> Select All</label>
<ul>
<li><input value="21" type="checkbox" name="wpmm[]" /> Bar1</li>
<li><input value="22" type="checkbox" name="wpmm[]" /> Bar2</li>
<li><input value="23" type="checkbox" name="wpmm[]" /> Bar3</li>
</ul>
</li>
</ul>
</div>
</div>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
<script>
function updateCounter() {
let allChecked = $('#general-content input[name="wpmm[]"]:checked').length;
if (allChecked > 0) {
$("#general i .counter").text('(' + allChecked + ')');
} else {
$("#general i .counter").text('');
}
updateCounterFor('foo');
updateCounterFor('bar');
}
function updateCounterFor(part = 'foo') {
let partChecked = $('#general-content .checkbox-' + part + ' input[name="wpmm[]"]:checked').length;
if (partChecked > 0) {
$('#general i .counter-' + part).text('(' + partChecked + ')');
} else {
$('#general i .counter-' + part).text('');
}
}
$(function () {
$("#general i .counter").text('');
$('#general i .counter-foo, #general i .counter-bar').text('');
updateCounter();
$(".select_all").change(function () {
let thisCheckbox = $(this);
let checkboxes = thisCheckbox.parent().next("ul").find("input[name='wpmm[]']");
if (thisCheckbox.is(":checked")) {
checkboxes.prop('checked', true);
} else {
checkboxes.prop('checked', false);
}
updateCounter();
});
$("#general-content input:checkbox").on("change", function () {
let parent = $(this).closest("li.category");
updateCounter();
if(parent.find("input[name='wpmm[]']:checked").length == parent.find("input[name='wpmm[]']").length) {
parent.find(".select_all").prop("checked", true);
} else {
parent.find(".select_all").prop("checked", false);
}
});
});
</script>
</body>
</html>
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| Date :
2022-01-14 08:25:29 |
By :
Guest |
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ตัวอย่าง การใช้ jquery
Code (PHP)
<input type=checkbox id="mainchk" >
<input type=checkbox id="xyz[]" class="subchk" >
<input type=checkbox id="xyz[]" class="subchk" >
<input type=checkbox id="xyz[]" class="subchk" >
<input type=checkbox id="xyz[]" class="subchk" >
<script>
$(document).ready(()=>{
$('#mainchk').click(()=>{
$('.subchk').prop('checked', $('#mainchk').prop('checked'));
});
}).delegate('.subchk', 'click', function(){
$('#mainchk').prop('checked', $('.subchk:checked').length == $('.subchk').length());
});
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| Date :
2022-01-14 10:49:04 |
By :
Chaidhanan |
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 Load balance : Server 05
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