Media Summary: ... adds new microtask 2. microtasks are flushed before next task ... promise have internal state which can only be modified once. We take a look at how Promise.prototype.then() should work as defined in JS spec.
Bfe Dev Quiz 157 Compare - Detailed Analysis & Overview
... adds new microtask 2. microtasks are flushed before next task ... promise have internal state which can only be modified once. We take a look at how Promise.prototype.then() should work as defined in JS spec. This is an easy problem. Give it a try here: https:// var doesn't have block scope also setTimeout delays function to next eventloop. Not hard, just pay attention to finally()
This is interesting question, just recommend referring to the spec of JavaScript An easy one, just remember the spec of addition operator Implicit Coercion is bad design for JavaScript, there is no need to remember this, just keep in mind to avoid using these. This is a very tricky one, I recommend thorough reading on this article