Object.keys().forEach((key) use key code example

Example 1: javascript foreach key value

myObject ={a:1,b:2,c:3}

//es6
Object.entries(myObject).forEach(([key, value]) => {
  console.log(key , value); // key ,value
});

//es7
Object.keys(myObject).forEach(key => {
    console.log(key , myObject[key]) // key , value
})

Example 2: javascript object keys foreach

var lunch = {
	sandwich: 'ham',
	snack: 'chips',
	drink: 'soda',
	desert: 'cookie',
	guests: 3,
	alcohol: false,
};

Object.keys(lunch).forEach(function (item) {
	console.log(item); // key
	console.log(lunch[item]); // value
});

// returns "sandwich", "ham", "snack", "chips", "drink", "soda", "desert", "cookie", "guests", 3, "alcohol", false