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65 changes: 50 additions & 15 deletions 01week/datatypes.js
Original file line number Diff line number Diff line change
@@ -1,23 +1,58 @@
Date(); //Display Date and Time
//Write a JavaScript program to display the current day and time.

.toString(); //Converts a number to a string
let currentDate = new Date();

Number(''); //Converts a string to a number
console.log("The current date and time is", currentDate);

Boolean(); //Takes in different data types and prints out whether its a boolean
//Write a JavaScript program to convert a number to a string.

console.log(typeof ); //Checking if different data types is a Boolean, Null, Undefined, Number, NaN, String
var num = 15;
var n = num.toString();

console.log(12 + 12); //Adds two numbers together
console.log("The number is", num);
console.log("The string representing the number is", n);

if (x==true && y==true) {
console.log("true")
} //Program that runs only of both values are true
//Write a JavaScript program to convert a string to the number.

if (x==true || y==true) {
console.log("true")
} //Program that runs only if one of the values is true
var string = "222";
var w = Number(string);

if (x!==true && y!==true) {
console.log("true")
} //Program that only runs of both calues are not true
console.log("My 222 string changed to a number is", w);

//Write a JavaScript program that takes in different datatypes and prints out their datatype

console.log(
"This program will tell you the data type of a value using typeof followed by the value"
);

typeof "heyyo";

var num1 = 2;

var num2 = 44;

console.log("The two num variables added together are:", num1 + num2); //This is a program that will add the two "num" variables together.

x = true;

y = true;

if (x == true && y == true) {
console.log("both are true");
} //This is a program that only runs of both of the variables are true.

x = true;

y = 0;

if (x == true || y == true) {
console.log("one is true");
} //This is a program that will only run if one of the variables is true.

x = 5;

y = 6;

if (x !== true && y !== true) {
console.log("both are not true");
} //This is a program that will only run if both of the variables are not true.