Series of code snippets to practice with

javascriptBasics.js

// viewing errors
// this line has an error in it
let myVar, = 10;
 
// using the console
console.log("hi");
console.log(myVar);
 
// variable set a value + case
// this line has an error in it
myvar = 20;
 
// concatenating strings
console.log("hi" + myVar);
 
// using variables
let tripMiles = 200;
let gallonsConsumed = 5;
let costPerGallon = 3.5;
let mpg = tripMiles/gallonsConsumed;
let tripCost = gallonsConsumed * costPerGallon;

if (mpg >= 40) {
    console.log("Yay!");
} else {
    console.log("Boo!");
}

console.log("MPG = " + mpg);
console.log("Cost of trip = $" + tripCost);