Pre-747pm

for(var i=1;i<=20;i++)
{
 console.log(i);
}

var numbers=[10,20,30,40,50];
for(var i=0;i<numbers.length;i++)
{
 console.log(numbers[i]);
}

var students=['sai','kumar','ravi','surya'];
for(var i=0;i<students.length;i++)
{
 console.log('My favourite friends during school days '+students[i]);
}

var laptop=[
    {
      company:'hp'
    },
    
    {
     company:'lenovo'
    },
    
    {
     company:'acer'
    },
    
    {
     company:'dell'
    }
];
for(var i=0;i<laptop.length;i++)
{
 console.log(laptop[i]);
}

var numbers1=[25,21,11,2639];
numbers1.forEach(function(n)
{
 console.log(n);
});

var numbers2=[25,35,45,55];
function addSum(n)
{
 console.log(n+5);
}
numbers2.forEach(addSum);
console.log(numbers2);

function makeEven(number)
{
 var sum=0;
 number.forEach(function(number)
 {
  sum+=number;
 });
 if(sum%2===0)
 {
   return 2;
 }
 else
 {
    return 1;
 }
}
var numbers3=[1,2,3,4,5];
var numbers4=[3,5,7,9,11];
console.log(makeEven(numbers3));
console.log(makeEven(numbers4));
    
var mobile={
    name:'samsung',
    price:21000,
    madeIn:'bharath',
    ratings:4,
    description:'4g enabled phone '
};

for(var key in mobile)
{
 console.log(key,mobile[key]);
}