Iterate over JavaScript objects like its a Map, with the for...of statement

javascript_object_iteration.js

Object.prototype[Symbol.iterator] = function* (){
  let c = 0;
  const [key, values] = [Object.keys(this), Object.values(this)];
  while (c < keys.length) {
    yield [keys[c], values[c++]]
  }
}

// usage
let obj = {
  name: "kodejuice",
  site: "github"
}

for (let [key, value] of obj) {
  console.log(`${key} = ${value}`);
}

// name = kodejuice
// site = github