That is because you have <table CLASS="resultslist"> and asked for
#resultslist. This should work:
$('.resultslist tbody tr').length
----
Read jQuery HowTo Resource - http://jquery-howto.blogspot.com
On Tue, Feb 24, 2009 at 6:14 PM, heohni
<heidi.anselstet...@consultingteam.de> wrote:
>
> Sorry, but it returns only 0...?
>
> On 24 Feb., 14:07, jQuery Lover <ilovejqu...@gmail.com> wrote:
>> > Is there a way to count the rows of a specfic< table
>> > class="resultslist"> or even better the TR elements of the <tbody> of
>> > #resultslist? And how do I know on what row I am currently are when a
>> > checkbox was clicked?
>>
>> Use this code to find out how many table rows are there in the table:
>>
>> $('#resultslit tbody tr').length
>>
>> More about it
>> here:http://jquery-howto.blogspot.com/2008/12/howto-find-out-how-many-elem...
>>
>> On Tue, Feb 24, 2009 at 5:47 PM, heohni
>>
>> <heidi.anselstet...@consultingteam.de> wrote:
>>
>> > Hi,
>>
>> > on a table list of results (amount of rows = unknown) I want to change
>> > the row colour by adding / removing the class name
>> > (class="highlighttr"). As my list is already 2 coloured (class="row1"
>> > and class="row2"), I am checking the current, prev and next class name
>> > of the parent tr element to set back the correct class name.
>>
>> > Now I am on the case, if all rows are checked - I cannot proof the
>> > next and prev element, as all elements having the same "highlight"
>> > class name.
>>
>> > I thought, if I would be able to count all tr rows, I would know on
>> > which row I am currently and I would now the right class name.
>>
>> > Is there a way to count the rows of a specfic< table
>> > class="resultslist"> or even better the TR elements of the <tbody> of
>> > #resultslist? And how do I know on what row I am currently are when a
>> > checkbox was clicked?
>>
>> > For a better reference I paste you my code.
>> > Thanks so far!
>>
>> > Code:
>>
>> > $(document).ready(function() {
>> > // Change colour of selected row
>> > $("input:checkbox").click(function(){
>> > var checked_status = this.checked;
>> > //alert(checked_status);
>>
>> > var name_current = $(this).parents("tr:eq(0)").attr('class');
>> > var name_next = $(this).parents("tr:eq(0)").next().attr('class');
>> > var name_prev = $(this).parents("tr:eq(0)").prev().attr('class');
>> > //alert(name_current);
>> > //alert(name_next);
>> > //alert(name_prev);
>>
>> > if(checked_status == true) {
>> > //alert('checked');
>> >
>> > $(this).parents("tr:eq(0)").removeClass(name_current);
>> > $(this).parents("tr:eq(0)").addClass('highlighttr');
>>
>> > }else{
>> > //alert('unchecked');
>> > $(this).parents("tr:eq(0)").removeClass('highlighttr');
>>
>> > if(name_next && name_next == 'row1'){
>> >
>> > $(this).parents("tr:eq(0)").addClass('row2');
>> > }else if(name_next && name_next == 'row2'){
>> >
>> > $(this).parents("tr:eq(0)").addClass('row1');
>> > }else if(!name_next && name_prev && name_prev ==
>> > 'row1'){
>> >
>> > $(this).parents("tr:eq(0)").addClass('row2');
>> > }else if(!name_next && name_prev && name_prev ==
>> > 'row2'){
>> >
>> > $(this).parents("tr:eq(0)").addClass('row1');
>> > }
>>
>> > }
>> > });
>> > });
