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JavaScript JavaScript Loops, Arrays and Objects Tracking Multiple Items with Arrays Build a Quiz Challenge, Part 2 Solution

Ru Song
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Ru Song
Front End Web Development Techdegree Graduate 13,845 Points
Posted by Ru Song
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Ru Song
Front End Web Development Techdegree Graduate 13,845 Points

Confused about return value.

Question about function return: I got confused about how return works. the value would be returned to the function or to the var inside the function? Any difference? Help please.

2 Answers

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,971 Points
KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,971 Points

The value is returned to the caller of the function. See Function Return here

Milan Toth
Milan Toth
12,182 Points
Milan Toth
Milan Toth
12,182 Points

function sum(a,b) { return a + b; }

let sumVal = sum(1,2);

sumVal will now be 3; The function returns the sum of 1 + 2 and the returned value gets assigned to the variable sumVal.