JS upto date()

gistfile1.txt

// this is comment
            /*
            this is multi
            level
            comment
            */
            document.write("print this");
            // window.alert(5 + 6);
            console.log('in console');
            var a, b, c;
            var person = "John Doe", carName = "Volvo", price = 200;
            // undefined
            a = 5; b=6;
            c = a+b;
            console.log(c);
            console.log(typeof(c));
            console.log('operators', (5 + 6) * 10);
            
            var txt1 = "John";
            var txt2 = "Doe";
            var txt3 = txt1 + " " + txt2;
            
            var z = "Hello" + 5;

            console.log(true == true);

            var cars = ["Saab", "Volvo", "BMW"];

            var person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"};

            // primitive data types: string, number, boolean, undefined

            function myFunction(p1, p2) {
                return p1 * p2;   // The function returns the product of p1 and p2
            }
            
            // var x = toCelsius(77);

            function myFunction() {
                document.getElementById('example').innerHTML = 'Changed';
            }

            "some text".length

            var str = "Apple, Banana, Kiwi";
            var res = str.substring(7, 13);

            // indexOf, replace, toUpperCase(), concat, trim, charAt, split

            var x = 100 / "Apple"; // number type

            // toString(), toFixed(), toPrecision() Number methods

            // length, sort(), push(), join(), pop(), shift(), unshift(), delete, concat Array methods

            console.log(new Date());

            var d = new Date(2018, 0, 24, 10, 33, 30);
            console.log(d);

            console.log(new Date().toUTCString());

            console.log(new Date().toDateString());