javascript iterate object

let obj = {
	key1: "value1",
	key2: "value2",
	key3: "value3",
	key4: "value4",
}
Object.entries(obj).forEach(([key, value]) => {
	console.log(key, value);
});let obj = {
  key1: "value1",
  key2: "value2",
  key3: "value3"
}

Object.keys(obj).forEach(key => {
    console.log(key, obj[key]);
});
// key1 value1
// key2 value2
// key3 value3

// using for in - same output as above
for (let key in obj) {
  let value = obj[key];
  console.log(key, value);
}var obj = { first: "John", last: "Doe" };

Object.keys(obj).forEach(function(key) {
    console.log(key, obj[key]);
});let person={
 	first_name:"johnny",
  	last_name: "johnson",
	phone:"703-3424-1111"
};
for (let i in person) {
  let t = person[i]
  	console.log(i,":",t);
}const obj = { 0: 'a', 1: 'b', 2: 'c' };
console.log(Object.entries(obj)); // => [ ['0', 'a'], ['1', 'b'], ['2', 'c'] ]

Object.entries(obj).forEach((key, value) => {
  console.log(key + ' ' + value);
});for (let key in yourobject) {
   if (yourobject.hasOwnProperty(key)) {
      console.log(key, yourobject[key]);
   }
}