Zho:清单 () 的项目数（清单积木）

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清单 () 的项目数
清單 [ v] 的項目數
类别	清单类积木
形狀	椭圆形积木
加入於	1.3

The Length of () 积木 is a 清单类积木 and a 椭圆形积木. The block reports how many 项目s a 清单 contains.

用法示例

In certain 专案, different events can happen based on the length of a value; this block can be used here.

Some common uses for the Length of () block:

• Checking the number of items a player has obtained

說出 (字串組合 [You have ] 和 (字串組合 (清單 [list v] 的項目數 :: list) 和 [ items.]))

• Iterating through a list by repeating the length amount of times.

重複 (清單 [list v] 的項目數 :: list) 次 
  變數 [i v] 改變 (1)
  說出 (清單第 (i) 項項目\( [list v] \) :: list) (2) 秒
end

• Accessing the second last, for example, item of a list

(清單第 ((length of [list v] :: list) - (2)) 項項目\( [list v] \) :: list)

参见

• 字串长度 ()（积木）, the version for 字串