//Arrays of object

const lang = [

  {id: 1, name: 'Pascal', year: 1970},

  {id: 2, name: 'C', year: 1972},

  {id: 3, name: 'C++', year: 1985},

  {id: 4, name: 'Java', year: 1995},

  {id: 5, name: 'JavaScript', year: 1995},

  {id: 6, name: 'Kotlin', year: 2011}

];

​

for(let i=0; i < lang.length; i++){

  console.log(lang[i].name)

}

​

//for..of loop

for(let l of lang){

  console.log(l.year);

}