JavaScript Flashcards
Is there a correlation between “JavaScript” and “Java”?
No. The name “JavaScript” is not in any way related or have anything to do with “Java”. The language was named “JavaScript” around the time when Java was gaining popularity and being heavily marketed.
What is another interchangeable name for JavaScript?
ECMAScript
As of 2009, we’re now at the point where all major browsers support what version of ECMAScript?
5
The word “while” in a for loop is a _____ structure.
control
What is the most common font face / type family used to denote <code></code> syntax in print and web?
Monospace, courier
CRUD
Create, Read, Update, and Delete.
In JavaScript, what is a decimal / whole number also and more commonly referred to as?
Integer
A ___ ________ is represented by zeros and ones.
bit sequence
What is the binary equivalent number of 13?
00001101
What are the 6 basic value types in JavaScript?
Numbers, strings, booleans, objects, functions, and undefined values.
JavaScript uses a fixed number of how many bits to store a single number value?
64
64 bits is the equivalent of roughly how many different numbers?
18 quintillion
What does the letter “e” represent in the number 2.998e8?
Exponent
6.78 is a __________ number.
fractional, floating point.
__________ digit numbers are approximations and not precise values.
Fractional
The main thing to do with numbers in JavaScript and other programming languages is this.
Arithmetic
What is the singular term used to represent The + and * in JavaScript?
Operator
The __________ of each operator determines the order in which calculations are made.
precedence
The “modulo” otherwise known as the _________ operator.
remainder
You are ________ a character by preceding it with a backslash.
escaping
When the “n” character occurs after a backslash, it is interpreted as what?
A new line
How is the tab character in a string represented?
\t
Strings are not added but ____________ together.
concatenated
“mic” + “hel” + “ “ + “joan” + “isse”
A string concatenation