Variable Names
Variables 1
Intro to JS 1
Conditionals
Potpourri
100
With this standard convention, you group words into one, the first word is lowercase, then every word that follows will have its first letter uppercased. Example: jeopardyIsFun
Camel Casing
100
This keyword added in the ES6 iteration of JS signals a declared variable that can be reassigned with a different value
let
100
This programming language is primarily known as the language of most modern web browsers.
JavaScript
100
Fill in the blank. A _______ _______ checks a specific condition(s) and performs a task based on the condition(s).
Conditional Statement
100
JavaScript was created in this year.
1995
200
= is the ________ operator
Assignment
200
True or False. With var and let we can declare a value without assigning the variable a value.
True
200
Data is printed, or logged, to the console (a panel that displays messages) with this code.
console.log()
200
Fill in the blank. When using the logical _____ operator, both conditions must evaluate to true for the entire condition to evaluate to true and execute.
&&
200
This is how long it took to create JavaScript.
10 days
300
True or false. The variable jeopardyIsFun would reference the same memory location as jeopardyISfun
False. Variable names are case sensitive.
300
This is output of the code shown below.
17
300
We can write single-line comments with _____ and multi-line comments between ____ and _____
// /* and */
300
We can use this to simplify an if...else statement. An example of the syntax is seen here: (condition) ? value1:value2
Ternary operator
300
This is what JavaScript was first known as.
Mocha.
400
True or False. "const" could be a legitimate variable name
False. Variable names cannot be the same as JavaScript keywords
400
This would be the output of running this code:
TypeError: Assignment to constant variable.
400
The remainder operator is sometimes called ________.
Modulo
400
The list of these types of values includes:
- 0
- Empty strings like "" or ''
- null which represent when there is no value at all
- undefined which represent when a declared variable lacks a value
- NaN, or Not a Number
falsy
400
This is the person that created JavaScript.
Brendan Eich
500
Fill in the blank. One of the biggest benefits to using ____ ____ is the readability of the code. Using ____ and expressions surrounded by ____ you can more easily tell what the new string will be. You also don’t have to worry about escaping double quotes or single quotes.
Template Literals. Syntax uses backticks ` and ${}
500
If you try to declare a const variable without a value, you’ll get this type of error.
SyntaxError
500
Tell us the code you would use to generate a random integer (whole number) between 0-49.
Hint: Part of the solution uses a built-in method that rounds decimals down to the nearest whole number.
Math.floor(Math.random() * 50)
500
In the context of Switch Statements, The ______ keyword tells the computer to exit the block and not execute any more code or check any other cases inside the code block.
Break
500
What is the output?
genbuzz
What if we assigned myNumber the value 'eleven'?
What if we assigned myNumber the value 50?