I have not such error in your jsfiddle.
What about to give console.log(column) after if (column) {Dne čtvrtek 2. července 2015 3:46:23 UTC+2 Chris Guest napsal(a): > > I have a very wide html table. I want to selectively hide groups of > columns at a time using a list of <a>. > Someone suggested using Datatables.net. So I have developed a proof of > concept and all looks well. > > http://jsfiddle.net/ChrisGuest/orgj7oL9/ > > Now when I drop this code into a web2py as below, I end up with wrong > behaviour and seeing this error in the JS Console: > > a.toggle-vis click event > 0: : false > 1: : false > a.toggle-vis click event > 0: : false > 1: : false > a.toggle-vis click event > 0: : false > 1: : false > a.toggle-vis click event > *Uncaught TypeError: Cannot read property 'style' of undefined* > > > I suspected that this could be caused by a conflict between DataTables.js > and another JavaScript module so I went through & commented them all out > except for jquery.js . > Unfortunately the problems still persists. > I have documented how I use DataTables.js with web2py. I am wondering if > I've missed something important here. I'd be curious if anyone else could > get this to go. > > Thanks, > Chris > > > I have modified layout.html to include: > > <link rel="stylesheet" href=" > https://cdn.datatables.net/1.10.7/css/jquery.dataTables.css" /> > <script src='https://cdn.datatables.net/1.10.7/js/jquery.dataTables.min.js' > > </script> > > > view/batch/demo.html ( see http://jsfiddle.net/ChrisGuest/orgj7oL9/ for > complete table code). > > {{extend 'layout.html'}} > > <h1>Results</h1> > > <ul>...</ul> > <table id="batch_table"> > ... > </table> > > <script> > > $(document).ready(function() { > var table = $('#batch_table').DataTable( { > "scrollY": "200px", > "paging": false > } ); > > $('a.toggle-vis').on('click', function (e) { > e.preventDefault(); > > console.log('a.toggle-vis click event'); > // Get the column API object > var data_columns = $(this).attr('data-column'); > if (data_columns.length) { > var data_columns = data_columns.split(','); > for (var i=0; i<data_columns.length; i++) { > var column = table.column(data_columns[i]); > if (column) { > if (column.style===undefined) > column.style = ''; > column.visible( ! column.visible() ); > console.log( > i + ': ' + column.style + ': ' + > column.visible() > ); > } > } > } > > }); > > }); > > </script> > > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.

