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omit javascript Code Snippet in 2024

objectintermediate

Last Updated: 16 June 2024

Omits the key-value pairs corresponding to the given keys from an object.

  • Use Object.keys(), Array.prototype.filter() and Array.prototype.includes() to remove the provided keys.
  • Use Array.prototype.reduce() to convert the filtered keys back to an object with the corresponding key-value pairs.
const omit = (obj, arr) => Object.keys(obj) .filter(k => !arr.includes(k)) .reduce((acc, key) => ((acc[key] = obj[key]), acc), {});
omit({ a: 1, b: '2', c: 3 }, ['b']); // { 'a': 1, 'c': 3 }

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