Bfe Dev Quiz 7 Increment Operator Jser Javascript Lover

Summary

Difference between ++a and a++ is the return value. ++a returns the value after An easy one, just remember the spec of addition 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 Not hard, just pay attention to finally() bigfrontend. Just remember promise have internal state which can only be modified once. This is a typical question about event loop, just remember 1. timer adds new tasks, promise.then adds new microtask 2. microtasks ... A little trickier than I thought, need to pay attention to the trailing bracket and empty path case. Have a try at Let's see how the increment operator works! We will also look at the post-increment and pre-increment operators as well ...