Test case details

Preparation Code

const mockArray = [...Array(10).keys()].map((_,i) => ({ id: Math.random() })); const mockMap = mockArray.reduce((acc, item) => { return { ...acc, [item.id]: item }; }, {});

Test cases

Test #1

mockArray.find(item => item.id === Math.random());

Test #2

mockMap[Math.random()];