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ex.01.html
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ex.01.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css"
integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
<!---------------------------------start!------------------------------------------------>
<style>
</style>
</head>
<body>
<div class="container">
<div class="row">
<table class="table table-bordered mt-5">
<tr>
<td>
<input type="checkbox">
</td>
<td>Elon Mask</td>
<td>0912345678</td>
<td>ElonMask@gmail.com</td>
</tr>
<tr>
<td>
<input type="checkbox">
</td>
<td>Mark Zuckerberg</td>
<td>0912345678</td>
<td>ElonMask@gmail.com</td>
</tr>
<tr>
<td>
<input type="checkbox">
</td>
<td>Bill Gates</td>
<td>0912345678</td>
<td>ElonMask@gmail.com</td>
</tr>
<tr>
<td>
<input type="checkbox">
</td>
<td>Larry Page</td>
<td>0912345678</td>
<td>ElonMask@gmail.com</td>
</tr>
<tr>
<td>
<input type="checkbox">
</td>
<td>Elon Mask</td>
<td>0912345678</td>
<td>ElonMask@gmail.com</td>
</tr>
</table>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.6.0.js"
integrity="sha256-H+K7U5CnXl1h5ywQfKtSj8PCmoN9aaq30gDh27Xc0jk=" crossorigin="anonymous"></script>
<script>
$('input').click(function () {
//console.log('hi', $(this));
// $(this).parent().parent().css('background', 'lightblue');
//attr 屬性,看html上的屬性標籤,通常用在預設
console.log('$(this).attr("checked"):', $(this).attr('checked'));
// prop (property)狀態,判斷現在畫面是否為checked
console.log('$(this).prop("checked"):', $(this).prop("checked"));
//if / else
if ($(this).prop("checked")) {
$(this).closest('tr').css('background', 'lightblue')
console.log('true');
}
else {
console.log('false');
$(this).closest('tr').css(
'background', 'transparent'
)
}
});
//this v.s $(this)
//$(this)->jQuery物件,可使用jQuery方法
//this->原生Js使用
//兩個物件是不相通的
//方法二
// $('input').click(function () {
// // 1.全部的tr都改成透明的
// $('tr').css('background', 'transparent');
// // 2.把打勾的 tr 都變藍色的
// $('input:checked').closest('tr').css('background', 'lightblue');
// })
</script>
<!----------------------------------end!------------------------------------------------->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"
integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js"
integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut"
crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js"
integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k"
crossorigin="anonymous"></script>
</body>
</html>