Back to Decks
Card Status
Distribution of your cards by learning status
3
New
7
Learning
0
Mastered
Overall Mastery0%
What is event bubbling?
When an event triggers on a nested element, it "bubbles up" through its parent elements in the DOM tree
What is the purpose of Promise.all()?
Takes an array of promises and returns a single promise that resolves when all input promises resolve
What does Array.map() do?
Creates a new array with the results of calling a function on every element in the calling array
What is destructuring in JavaScript?
A syntax that allows unpacking values from arrays or properties from objects into distinct variables
What is the difference between "let" and "var"?
"let" is block-scoped and not hoisted, "var" is function-scoped and hoisted to the top