There is one function that I am stuck on with incrementing all of the items in my array and returning the array. What to do now?
function incrementByOne(arr) {
// arr is an array of integers(numbers), Increment all items in the array by
// return the array
for (let i = 0; i < arr.length; i++) {
arr[i] += 1;
return(arr);
}
}
You can simply use Array.prototype.map with an arrow function for this:
function incrementByOne(arr) { return arr.map(value => value + 1); } console.log(incrementByOne([1,5,4,7,3]));
Your attempt was great, but your return arr;
is too early. Mind that you're also modifying the array, instead of returning a copy with updated values. You could copy the array first with arr = [...arr];
.
All I had to do was move the return
outside the loop.
function incrementByOne(arr) {
// arr is an array of integers(numbers), Increment all items in the array by
// return the array
for (let i = 0; i < arr.length; i++) {
arr[i] += 1;
}
return(arr);
}
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