Working with Numbers, Characters and Strings

Question 1

The most common types of Variables are…

Answer 1

Numbers

Question 2

Write the alert prompt for the variable "a" after 
a = 5;
a = 100000;
a = 23456.456
a = -23

Answer 2

alert(a);

The prompt would show -23

Question 3

What is the difference between these two variables?
a = 456;
and
a = “456”;

Answer 3

The first assigns “a” the integer value 456 and the second one just shows the string 456, and is not a number value.

Question 4

In terms of a string, what is the portion inside the parenthesis called?

Answer 4

It is called the LITERAL.

(“Hello, world”) is the example.

Question 5

Does using “ and ‘ together make a difference?

Answer 5

Yes, you must open and close the string with the same quotations you started it with.

Question 6

Where would you escape the quotations in this string?

“I said “I’ve had enough” and then left”;

Answer 6

“I said "I've had enough" and then left”

Question 7

Define the variable and write the String Priority for the length of characters in this variable: “I am hungry”

Answer 7

var phrase = "I am hungry";
alert(phrase.length);

output will be 11