how loop in array and return property in javascript code example

Example 1: javascript loop through array of objects

var people=[
  {first_name:"john",last_name:"doe"},
  {first_name:"mary",last_name:"beth"}
];
for (let i = 0; i < people.length; i++) { 
  console.log(people[i].first_name);
}

Example 2: javascript loop through array of objects

//Only to be used if you need the numbers
var array = new Array(item1,item2,item3)

for(i=0;i<array.length;i++){
  if(i==2){
    console.log(array[i])
  }
}