List.Count

Sintaksis

List.Count(list as list) as number

Tentang

Mengembalikan jumlah item dalam daftar yang ditentukan.

• list: Daftar yang akan diperiksa.

Contoh 1

Temukan jumlah nilai dalam daftar {1, 2, 3}.

Penggunaan

List.Count({1, 2, 3})

Output

3

Contoh 2

Temukan berapa kali merah muncul dalam daftar warna, abaikan kapitalisasi.

Penggunaan

let
    colors = {"Red", "Blue", "GREEN", "red", "Yellow", "RED"},
    redCount = List.Count(
        List.Select(colors, each Text.Lower(_) = "red")
    )
in
    redCount

Output

3

Contoh 3

Temukan jumlah pelanggan dalam daftar yang membeli lebih dari $100.

Penggunaan

let
    customers = {
        [CustomerID = 101, CustomerName = "Alice", AmountPurchased = 150],
        [CustomerID = 102, CustomerName = "Bob", AmountPurchased = 75],
        [CustomerID = 103, CustomerName = "Carol", AmountPurchased = 50],
        [CustomerID = 104, CustomerName = "Dave", AmountPurchased = 90],
        [CustomerID = 105, CustomerName = "Eve", AmountPurchased = 120]
    },
    highValueCustomerCount = List.Count(
        List.Select(customers, each [AmountPurchased] > 100)
    )
in
    highValueCustomerCount

Output

2