ES5/ES6/ES2017/ES2019 omit & pick

ES5-ES6-ES2017-ES2019 omit & pick �J7B�U `��C�U ​ omit-es2015.js �JB�U �9�C�U Object.keys(obj) .filter((key) => ['blacklisted', 'keys'].indexOf(key) < 0) .reduce((newObj, key) => Object.assign(newObj, { [key]: obj[key] }), {}) omit-es2017.js ��<C�U ��4D�U Object.entries(obj) .filter(([key]) => !['blacklisted', 'keys'].includes(key)) .reduce((obj, [key, val]) => Object.assign(obj, { [key]: val }),