JQuery学习笔记10——复选框应用
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>复选框应用</title>
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<script type="text/javascript" src="jquery-1.2.6.min.js"></script>
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<script type="text/javascript">
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$(document).ready(function(){
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$("#CheckedAll").click(//获取全选按钮
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function(){
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$("input[name=items]").attr("checked",true);
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})
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$("#CheckedNo").click(//获取全不选按钮
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function(){
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$("input[name=items]").attr("checked",false);
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})
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$("#CheckedRev").click(//获取反选按钮
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function(){
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$("input[name=items]").each(function(){
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this.checked=!this.checked;
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});
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})
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$("#send").click(//提交按钮
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function(){
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var str="你选中的是:\r\n"
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$("input[name=items]:checked").each(function(){
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str+=$(this).val()+"\r\n";
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});
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alert(str);
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})
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$("#CheckedboxAll").click(//全选/全不选按钮
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function(){
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$("input[name=items]").attr("checked",this.checked);
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})
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<!--
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$("input[name=items]").click(//完善全选/全不选按钮
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function(){
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var flag = true;
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$("input[name=items]").each(function(){
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if(!this.checked){
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flag = false;
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}
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});
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$("#CheckedboxAll").attr("checked",flag);
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})
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-->
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})
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</script>
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<style type="text/css">
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.msg_caption span{ background:#ccc; display:inline-block; width:60px; text-align:center; height:28px; line-height:28px; cursor:pointer;}
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</style>
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</head>
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<body>
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<form>
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你爱好的运动是?<input type="checkbox" name="but" id="CheckedboxAll" value="全选/全不选"/>全选/全不选<br/>
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<input type="checkbox" name="items" value="足球"/>足球
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<input type="checkbox" name="items" value="篮球"/>篮球
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<input type="checkbox" name="items" value="羽毛球"/>羽毛球
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<input type="checkbox" name="items" value="乒乓球"/>乒乓球<br/>
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<input type="button" id="CheckedAll" value="全选"/>
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<input type="button" id="CheckedNo" value="全不选"/>
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<input type="button" id="CheckedRev" value="反选"/>
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<input type="button" id="send" value="提交"/>
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</form>
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</body>
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</html>
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