Function exec

src/environment.js:468–474

()

                            // avoid confusing listener by adhoc execution
                            if (run) {
                                var exec = function() {
                                    if (order.length) {
                                        var l = order[0];
                                        order = order.slice(1);
                                        l();
                                    }
                                }
                                window.setTimeout(exec, 1);
                                reallyRegister = false; // will be done by run function
                            }