Hide JIRA agile board columns on header click

gistfile1.js

//hide column
var colWidths = {};
var headDims = {};
$('#ghx-column-headers li').toggle(
    function() {
        heading = $(this);
        var columnId = heading.data('id');
        headDims[columnId] = {
            'width': heading.width(),
            'height': heading.height()
        };
        heading.height('10px');
        heading.width('10px');
        heading.children('.ghx-qty').each(function () {
            $(this).hide();
        });
        $('li[data-column-id="' + columnId + '"]').each(function() {
            var column = $( this );
            colWidths[columnId] = column.width();
            column.width('10px');
        });
    },
    function() {
        heading = $(this);
        var columnId = heading.data('id');
        heading.width(headDims[columnId]['width']);
        heading.height(headDims[columnId]['height']);
        heading.children('.ghx-qty').each(function () {
            $(this).show();
        });
        $('li[data-column-id="' + columnId + '"]').each(function() {
            var column = $( this );
            column.width(colWidths[columnId]);
        });
    }
);