<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
</head>
<style>
ul {
list-style: none;
}
</style>
<body>
<ul>
<li>全选<input type='checkbox' id='all'></li>
<li>Java<input type='checkbox' class='item'></li>
<li>javaScript<input type='checkbox' class='item'></li>
<li>C++<input type='checkbox' class='item'></li>
<li>python<input type='checkbox' class='item'></li>
<li>.net<input type='checkbox' class='item'></li>
</ul>
<script>
// 补全代码
const selectAll = document.querySelector('#all')
const items = Array.from(document.querySelectorAll('.item'))
selectAll.onchange = () => {
items.forEach(item => item.checked = selectAll.checked)
}
items.forEach(item => {
item.onchange = () => {
selectAll.checked = items.every(item => item.checked)
}
})
</script>
</body>
</html>
Native js realizes all selection, single selection affects all selection
Guess you like
Origin blog.csdn.net/weixin_45150813/article/details/125221869
Recommended
Ranking