Passing Values to Functions with Arguments , Need some help to find the answer of my functionWithArgs (10,2) ? how did 10 and 2 come up?

JavaScript
1

Tell us what’s happening:

Your code so far

// Example
function ourFunctionWithArgs(a, b) {
  console.log(a - b);
}
ourFunctionWithArgs(10, 5)
; // Outputs 5



// Only change code below this line.
function functionWithArgs(a, b) {
  console.log(a + b);
}
functionWithArgs(10,2);

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36.

Link to the challenge:

3

Indeed, i find the answer by searching and do browsing, but i need the explanation why the answer are 10,2 ?