jquery全选checkBox功能实现代码(取消全选功能)
代码如下:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> New Document </TITLE> <meta http-equiv="Content-Type" content="text/html; charset=gbk" /> <link href="css/ingrid.css" rel="stylesheet" type="text/css"> <script language="JavaScript" src="jquery-1.3.2.js" type="text/javascript"></script> <SCRIPT LANGUAGE="JavaScript"> <!-- $("document").ready(function(){ $("#all").click(function(){ if(this.checked){ $("input[name='checkbox']").each(function(){this.checked=true;}); $("#btn1").attr("value","反选"); }else{ $("input[name='checkbox']").each(function(){this.checked=false;}); $("#btn1").attr("value","全选"); } }); $("#btn1").click(function(){ $("[name='checkbox']").attr("checked",'true');//全选 }) $("#btn2").click(function(){ $("[name='checkbox']").removeAttr("checked");//取消全选 }) $("#btn3").click(function(){ $("[name='checkbox']:even").attr("checked",'true');//选中所有奇数 }) $("#btn4").click(function(){ $("[name='checkbox']").each(function(){ if($(this).attr("checked")) { $(this).removeAttr("checked"); } else { $(this).attr("checked",'true'); } }) }) $("#btn5").click(function(){ var str=""; $("[name='checkbox'][checked]").each(function(){ str+=$(this).val()+"/r/n"; }) alert(str); }) }) //--> </SCRIPT> </HEAD> <BODY> <form name="form1" method="post" action=""> <input type="checkbox" id="all" name="all"> <input type="button" id="btn1" value="全选"> <input type="button" id="btn2" value="取消全选"> <input type="button" id="btn3" value="选中所有奇数"> <input type="button" id="btn4" value="反选"> <input type="button" id="btn5" value="获得选中的所有值"> <br> <input type="checkbox" name="checkbox" value="checkbox1"> checkbox1 <input type="checkbox" name="checkbox" value="checkbox2"> checkbox2 <input type="checkbox" name="checkbox" value="checkbox3"> checkbox3 <input type="checkbox" name="checkbox" value="checkbox4"> checkbox4 <input type="checkbox" name="checkbox" value="checkbox5"> checkbox5 <input type="checkbox" name="checkbox" value="checkbox6"> checkbox6 <input type="checkbox" name="checkbox" value="checkbox7"> checkbox7 <input type="checkbox" name="checkbox" value="checkbox8"> checkbox8 </form> </BODY> </HTML>
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