check all the checkboxes by clicking on the "ALL" checkbox using jquery
<body>
<input type="checkbox" id="chkMain" />
<input type="checkbox" id="chkMain1" />
<input type="checkbox" id="chkMain2" />
<br>
<P><input class="child" type="checkbox" id="chk1" disabled="true" />
<input class="child" type="checkbox" id="chk" disabled="true" />
<input class="child" type="checkbox" id="chk" disabled="true" />
<input class="child" type="checkbox" id="chk" d开发者_StackOverflowisabled="true" />
<input class="child" type="checkbox" id="chk" disabled="true" />
<input class="child" type="checkbox" id="chk" disabled="true" />
<input class="child" type="checkbox" id="chk_all" disabled="true" />ALL</p></br>
$(function(){
$("input[id^=chkMain]").click(function(){
var otherCks = $("input[id^=chkMain]").not(this);
if( !$(this).is( ":checked" )) {
$(".child").attr("disabled" , true );
otherCks.removeAttr ( "disabled" );
}
else {
$(".child").removeAttr ( "disabled" );
otherCks.attr("disabled" , true)
}
});
});
You haven't mentioned your issue in the question. Assuming you want to check all the checkboxes with class name child when clicking on checkbox chkMain
$(function(){
$("#chk_all").click(function(){
$("input:checkbox").attr("disabled", !(this.checked));
});
});
Also you are having an invalid HTML. More than one element is having the same id.
Your question is very unclear. There is already an answer provided to enable/disable your checkboxes. However, based upon what I could gather from your code, it seems like you are wanting to create an all check/uncheck checkbox?
If so, you could do the following as a simple check-all/uncheck-all:
<script type="text/javascript">
$(document).ready(function() {
$('input.check_all').click(function() {
if ($(this).attr('checked'))
{
$('input.child, input.check_all').attr('checked', 'checked');
}
else
{
$('input.child, input.check_all').removeAttr('checked');
}
});
});
</script>
<input class="check_all" type="checkbox" name="foo[]" /> All<br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
<input class="child" type="checkbox" name="foo[]" /><br />
Your checkboxes probably should contain a name. Also, using the same ID on multiple DOM elements is not allowed and will cause errors.
加载中,请稍侯......
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