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
What is the data type of 42 in JavaScript?
A). String
B). Boolean
C). Number
D). Object
Which of the following is not a primitive data type in JavaScript?
A). String
B). Number
C). Object
D). Boolean
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
What is the output of typeof null?
A). null
B). undefined
C). object
D). number
What is the data type of an array in JavaScript?
A). Array
B). Object
C). Collection
D). List
Which of the following is a falsy value in JavaScript?
A). 0
B).
C). null
D). All of the above
What will typeof [1, 2, 3] return?
A). array
B). object
C). number
D). list
What is the data type of true in JavaScript?
A). String
B). Boolean
C). Number
D). Object
How do you declare a variable with an undefined value?
A). let x;
B). let x = '';
C). let x = 0;
D). let x = null;