index.html

<!DOCTYPE html>
<html>
    <head>
        <title>Learn JavaScript</title>
        <script>
            //alert('Hello World');
            var firstname = 'John';
            var lastname = 'Doe';
            //alert('Hi my full name is: ' + firstname + ' '+ lastname);
            if(firstname == 'John'){
                //alert('Yes Im John');
            }else if(firstname == 'Steve'){
                //alert('Yes Im Steve');
            }    
            else{ 
                //alert('No Im not John');
            }
            
            //Creating array
            
            var cars = new Array();
            //cars[0] = 'Camaro';
            //cars[1] = 'Mustang';
            //cars[2] = 'Genesis';
            
            //or
            cars = ['Camaro','Mustang','Genesis']
            
            //looping through arrays
            for(var i=0;i< cars.length;i++){
                //console.log(cars[i]);
            }
            //alert(cars[1]);
            
            function sayHi(word){
             //alert(word);
            }
            
            //sayHi('Hello');
            
            function addIt(num1,num2){
                alert(num1 + num2);
            }
            
            //addIt(3,5);
        </script>
    </head>
    <body>
    <h1>Welcome</h1>
    </body>
</html>