selectAll.click(function(){ langs.prop('checked', $(this).prop('checked')) }); selectAll.change(function () { if ($(this).prop('checked')) { deselectAllLabel.show(); selectAllLabel.hide(); } else { deselectAllLabel.hide(); selectAllLabel.show(); } }); langs.change(function(){ if (langs.get().every(e => e.checked)) { selectAll.prop('checked', true) } else { selectAll.prop('checked', false) }; selectAll.change(); }); invertSelect.click(function() { langs.each(function() { $(this).prop('checked', (x, y) => !y); }); langs.change(); })
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