Returns the number of instances the target occurs in an array
function count<T>(arr: T[], target: T): number
// Example:
const arr = [1, 2, 3, 3, 4, 4, 4, 5]
count(arr, 4) //=> 3
Returns the number of instances the target occurs in an array
function count<T>(arr: T[], target: T): number
// Example:
const arr = [1, 2, 3, 3, 4, 4, 4, 5]
count(arr, 4) //=> 3