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                ## 問題 怎么判斷某個變量的值在一個區間內。 ## 方法 使用CoffeeScript鏈式比較的語法。 ~~~ maxDwarfism = 147 minAcromegaly = 213 height = 180 normalHeight = maxDwarfism < height < minAcromegaly # => true ~~~ ## 詳解 這是從Python移植過來的特性,無需像下面這樣寫出完整的比較: ~~~ normalHeight = height > maxDwarfism && height < minAcromegaly ~~~ CoffeeScript允許我們把兩個比較連在一起,這種形式更加符合數學上的書寫方式。
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