JavaScript Garbage Collection is This SLOW????

we've all probably seen code that looks something like this in which an object is created if Ops is not provided and then we create this config option as a series of merges between a brand new empty object the default values and the options passed in there's also other variations of this exact same thing you can think of prop spreading and react all that there's always some form of object creation or spreading or copying that goes on in JavaScript i...