function createFunOverLoad() { const funMap = new Map() console.log(funMap) const funOverLoad = function (...args) { const key = args.map(param => typ
const students = [ { name: 's1', age: 22, sex: 'female' }, { name: 's2', age: 22, sex: 'male' }, { name: 's3', age: 23, sex: 'female' }, { name: 's4',
const calculator = { count: 0, next() { return ++this.count }, double(a) { return a * 2 }, add(a, b) { return a + b } } calculator.add(2, 3) // functi
const customConfig = { a: 22, b: 33 } function config(config = {}) { const defaultConfig = { a: 12, b: 23, c: 'aa' } const finallyConfig = { ...defaul
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