for in on object js code example

Example 1: js loop through object

const obj = { a: 1, b: 2 };

Object.keys(obj).forEach(key => {
	console.log("key: ", key);
  	console.log("Value: ", obj[key]);
} );

Example 2: js for in object

var obj = { foo: 'bar', baz: 42 };
console.log(Object.entries(obj)); // [ ['foo', 'bar'], ['baz', 42] ]

for(const [i, val] of Object.entries(obj))
	new_obj[i] = val;

Example 3: loop in object javascript

var person = {"name":"Rasel", age:26};

for (var property in person) {
   console.log(person[property]);
}

Example 4: for in object javascript

var obj = { foo: 'bar', baz: 42 };

Object.keys(obj).forEach((key) => {
    const el = obj[key];
    console.log(
      {
        key: key,
        value: el
      }
    );
});