Compare a property of an object in an array with a static number
解決方法https://teamtreehouse.com/community/compare-a-property-of-an-object-in-an-array-with-a-static-number
Compare a property of an object in an array with a static number
解決方法https://teamtreehouse.com/community/compare-a-property-of-an-object-in-an-array-with-a-static-number