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selectall-selectnone-antiselect-submit.html
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selectall-selectnone-antiselect-submit.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<!-- 引入jQuery -->
<script src="js/scripts/jquery.js"></script>
<style>
#test{
width: 400px;
height: 600px;
margin: 0 auto;
}
#choosebtn input{
margin: 20px;
}
.choose input{
width: 20px;
height: 20px;
margin-left:20px;
margin-top:20px;
}
</style>
<script>
$(function(){
/*全选*/
$('.selectall').click(function(){
$('.choose input').attr("checked","checked")
})
/*全不选*/
$('.selectno').click(function(){
$('.choose input').attr("checked",false)
})
/*反选*/
$('.select-anti').click(function(){
$('.choose input').each(function(){
// $(this).attr("checked",!$(this).attr("checked")); /*写法一*/
this.checked=!this.checked; /*写法二*/
})
})
/*反选写法三*/
// $('.select-anti').click(function(){
// $('input:checkbox').each(function(){
// if($(this).attr("checked")){
// $(this).attr("checked",false)
// }else{
// $(this).attr("checked",true)
// }
// })
// })
// var str="勾选的球类是：\r\n"
// $('.sumb').click(function(){
// $('.choose input:checked').each(function(){
// str+=$(this).val()+"\r\n";
// })
// alert(str)
// })
/*提交显示写法*/
var str="这是选择结果\r\n"
$('.sumb').click(function(){
$('input:checkbox:checked').each(function(){
str += $(this).val()+"\r\n"
})
alert(str)
})
})
</script>
<body>
<form id="test">
<fieldset>
<legend>选择你最喜欢的运动：</legend>
<div class="choose">
<input type="checkbox" name="items" value="足球">足球
<input type="checkbox" name="items" value="羽毛球">羽毛球
<input type="checkbox" name="items" value="篮球">篮球
</div>
<div id="choosebtn">
<input type="button" class="selectall" value="全选">
<input type="button" class="selectno" value="全不选">
<input type="button" class="select-anti" value="反选">
<input type="button" class="sumb" value="提交">
</div>
</fieldset>
</form>
</body>
</html>