Frontend Software Developer Interview Questions and Answers

Method to generate 3 unique numbers without using a variable

• Use Math.random() to generate random numbers

• Use an array to store the generated numbers

• Check if the generated number already exists in the array before adding it

Closure is a function that has access to its parent scope even after the parent function has returned. For each is a loop statement used to iterate over arrays or objects.

• Closure is created when a function is returned from another function

• It allows for private variables and functions in JavaScript

• For each is used to loop through arrays or objects without the need for a counter variable

• It can be used with a callback function to perform an action on each element of the array or...read more