18 lines
634 B
Markdown
18 lines
634 B
Markdown
---
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title: zipObject
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tags: array,object,intermediate
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---
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Given an array of valid property identifiers and an array of values, return an object associating the properties to the values.
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- Since an object can have undefined values but not undefined property pointers, the array of properties is used to decide the structure of the resulting object using `Array.prototype.reduce()`.
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```js
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const zipObject = (props, values) =>
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props.reduce((obj, prop, index) => ((obj[prop] = values[index]), obj), {});
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```
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```js
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zipObject(['a', 'b', 'c'], [1, 2]); // {a: 1, b: 2, c: undefined}
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zipObject(['a', 'b'], [1, 2, 3]); // {a: 1, b: 2}
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``` |