45 lines
1.3 KiB
HTML
45 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title></title>
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</head>
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<body>
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<form action="" method="post">
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<label>你的爱好: </label>
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<input type="checkbox" name="fav">旅游
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<input type="checkbox" name="fav">游戏
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<input type="checkbox" name="fav">美食
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<input type="checkbox" name="fav">阅读
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<input type="checkbox" name="fav">睡觉
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<input type="checkbox" name="fav">其他
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<a href="javascript:void(0);">全选</a>
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<a href="javascript:void(0);">取消</a>
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<a href="javascript:void(0);">反选</a>
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</form>
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<script>
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(function() {
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var allAnchors = document.querySelectorAll('form a');
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var favList = document.querySelectorAll('input[name=fav]');
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allAnchors[0].addEventListener('click', function() {
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for (var i = 0; i < favList.length; i += 1) {
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// favList[i].setAttribute('checked', '');
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favList[i].checked = true;
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}
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});
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allAnchors[1].addEventListener('click', function() {
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for (var i = 0; i < favList.length; i += 1) {
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// favList[i].removeAttribute('checked');
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favList[i].checked = false;
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}
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});
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allAnchors[2].addEventListener('click', function() {
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for (var i = 0; i < favList.length; i += 1) {
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favList[i].checked = !favList[i].checked;
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}
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});
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})();
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</script>
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</body>
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</html>
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