Write a function that returns how many times the string "code" appears in array.
function countCode(arr) {
}
//Output:
// countCode(["code", "code", "cool"]) returns 2
// countCode(["code", "code", "cool", "code"]) returns 3
// countCode(["coe", "ode", "cool", "pool"]) returns 0
Step it up
Write a function that returns the number of times