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contains-obj

一个对象包含另一个对象的方法

const arr = [ { a: 1 }, { a: 2, b: 1, c: 4 }, { a: 3, b: 2, c: 5 } ]; const obj = { a: 2, b: 1 };

function where(arr, obj) { const keys = Object.keys(obj); return arr.filter(item => { return keys.every(key => { return item[key] && item[key] === obj[key]; }) }); }

console.log(where(arr, obj)); // [{ a: 2, b: 1, c: 4}]

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