Compare Objects

compareObjects.js

const a = {
    k1: 1,
    k2: 2,
    k3: {
        k3_1: 3
    }
}

const b = {
    k1: 1,
    k2: 2,
    k6: {
        k3_1: 3
    }
}


const isObject = (data) => typeof (data) === "object"
const hasOwnProperty = (obj1, obj2, key) => obj1.hasOwnProperty(key) === obj2.hasOwnProperty(key)

const compare = (obj1, obj2) => {

    return Object.keys(obj1).every(key => {
        if (!hasOwnProperty(obj1, obj2, key)) return false
        return isObject(obj1[key])
            ? compare(obj1[key], obj2[key])
            : obj1[key] === obj2[key]
    })
}

console.log(compare(a, b)) //false