Answer & Solution
Answer: Option A
Solution:
The parseInt() method converts the string '10.5' to the integer 10 since it only parses integers from strings.
Q
What will be the output of the following code: console.log(parseInt('10.5'));?
Related Questions on Average
What will be the value of x after the following code executes: let x = '5' + 5;?
A). '55'
B). 10
C). 5
D). '10'
Which keyword is used to declare a constant variable in JavaScript?
A). const
B). let
C). var
D). constant
What will be the value of x after the following code executes: let x = 10; x += 5;?
A). 15
B). 5
C). 10
D). undefined
What is the value of x after the following code executes: let x = 5; x *= 2; x /= 3;?
A). 04-Oct
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What is the purpose of the NaN (Not a Number) value in JavaScript?
A). To represent a number that is not a valid JavaScript number
B). To represent a zero value
C). To represent an infinite value
D). To represent an empty string
What is the keyword used to declare variables in JavaScript?
A). let
B). variable
C). var
D). const
Which method is used to convert a string to a number in JavaScript?
A). toString()
B). parseInt()
C). parseFloat()
D). toNumber()
Which statement correctly assigns the value true to a boolean variable isLogged in JavaScript?
A). let isLogged = 'true';
B). let isLogged = true;
C). let isLogged = 1;
D). let isLogged = 0;
What will be the output of the following code: console.log('Hello ' + 'World');?
A). Hello World
B). Hello + World
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Which data type is used to represent whole numbers in JavaScript?
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B). integer
C). float
D). string