Tell us what’s happening:
Your code so far
var oldArray = [1,2,3];
var newArray = [];
var concatMe = [4,5,6];
// Only change code below this line.
newArray = oldArray.concat(oldArray.concat(newArray));
Your browser information:
Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36
.
Link to the challenge:
https://www.freecodecamp.org/challenges/concatenate-arrays-with-concat