Answer & Solution
Answer: Option B
Solution:
The - operator converts strings to numbers, so '5' - 3 results in the number 2.
Q
What is the output of '5' - 3?
Related Questions on Average
Which of the following is not a primitive data type in JavaScript?
A). String
B). Number
C). Object
D). Boolean
How do you declare a variable with an undefined value?
A). let x;
B). let x = '';
C). let x = 0;
D). let x = null;
What is the result of null == undefined?
A). 1
B). 0
C). Error
D). NaN
Which symbol is used to denote a string template literal?
A). ''
B).
C). ``
D). {}
What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
What is the result of typeof undefined?
A). undefined
B). null
C). object
D). number
What is the result of null === undefined?
A). 1
B). 0
C). Error
D). NaN
Which operator checks both value and type for equality in JavaScript?
A). ==
B). !=
C). ===
D). !==
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
What is the output of '5' + 3?
A). 8
B). 53
C). 8
D). Error