Bfe Dev Quiz 10 Equal Jser Javascript Lover

Summary

This is interesting question, just recommend referring to the spec of An interesting one, use infer as regular expression on the right side. bigfrontend. An easy one, just remember the spec of addition operator bigfrontend. Remember that if there is an outside function , `this` of arrow function is set to that function, not necessarily globalThis. Hi I'm a ... We take a look at how Promise.prototype.then() should work as defined in Implicit Coercion is bad design for This is a typical question about event loop, just remember 1. timer adds new tasks, promise.then adds new microtask 2. microtasks ... var doesn't have block scope also setTimeout delays function to next eventloop. bigfrontend. Tricky one, seems argument name mapping only happens at initializing. bigfrontend. This is a very very interesting problem. needs the help from Proxy. bigfrontend. This is a very tricky one, I recommend thorough reading on this article Difference between ++a and a++ is the return value. ++a returns the value after increment while a++ returns the original value.