JavaScript Variables Popcorn Hacks
In lecture instructions for the JavaScript Variables Popcorn Hacks
Variables Hacks
Taught by Aria, Cason, and Ethan
Popcorn Hack 1: Variable Naming, and Strings in JavaScript
Instructions:
-
Open a new cell and set its type to
Code. -
Using the correct
variable naming casefor JavaScript -
Create a string variable for
"gameQuestion"and let it equal:"My favorite video game is " -
create a variable for
"gameAnswer"and let it equal: your favorite game -
output your
gameQuestionandgameAnswerto the console[EX: console.log(gameQuestion + gameAnswer);] -
Open your console and see if it displayed the correct message
%%js
let gameQuestion = "My favorite video game is ";
let gameAnswer = "Destiny 2";
console.log(gameQuestion + gameAnswer);
<IPython.core.display.Javascript object>
Popcorn Hack 2: Null, Undefined, Symbol, in JavaScript
Instructions:
-
Open a new cell and set its type to
Code. -
Create a variable
nullVarand set it tonull. -
Create a variable
undefinedVarand leave it uninitialized. -
Create a variable
symbolVarand set it to a new Symbol with a description of your choice.[EX: let myRPG = Symbol("Pokemon");] -
Output all three variables to the console using
console.log().
%%js
let nullVar = null;
let undefinedVar;
let symbolVar = Symbol("symbol");
console.log(nullVar);
console.log(undefinedVar);
console.log(symbolVar);
<IPython.core.display.Javascript object>