I\'m using the Isotope Plugin. I have an empty container to which I am adding items on $(document).ready(...
All those items are added correctly and iso
You can use isotope initial options.
Please check this codepen which is based on the official example of "Combination filters".
// init Isotope
var $grid = $('.grid').isotope({
itemSelector: '.color-shape',
filter: '.initial-filter-class' //use this class with the items you want to load initially.
});
For example: