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Functions & Scope
Preview — 3 of 10 questions
What will the following code output?
javascript
console.log(x);
var x = 10;Anull
B10
CReferenceError
Dundefined
Which statement is true about JavaScript hoisting?
javascript
console.log(a); // ReferenceError
let a = 5;ABoth let and const are hoisted, but not initialized.
BOnly var declarations are hoisted.
CFunctions are not hoisted.
DHoisting moves both declarations and initializations to the top.
What is the output of the following code?
javascript
console.log(typeof typeof 1);A"number"
B"string"
C"undefined"
D"object"
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