I have an array1 of keys that give me the keys of the values that I must concatenate from array2 being the expected value, which I return
flatternArrayToString() --> ['aaabbb', 'dddeee', 'iiijjj']
let array1 =['keya','keyb']
let array2 = [{keya:'aaa', keyb: 'bbb', keyc: 'ccc' },{keya:'ddd', keyb: 'eee', keyc: 'hhh'},{keya:'iii', keyb: 'jjj', keyc: 'kkk'}]
I'm trying to make a unb method that concatenates both values, but I can't
flatternArrayToString() {
let array = [];
for (let element of array2) {
for (let key of array1) {
array.push(element[key])
}
}
}