AI solution for JavaScript Quiz on BFE.dev
77. parseInt 2

The code below outputs the following by console.log:

0
0
0
18
1

Explanation:

• parseInt(0.00001) returns 0 because parseInt() tries to convert the provided argument to an integer, but 0.00001 is less than 1, so it is converted to 0.

• parseInt(0.000001) also returns 0 for the same reason as above.

• parseInt(0.0000001) also returns 0 for the same reason as above.

• parseInt("0x12") returns 18 because "0x12" is a hexadecimal number (base 16) and parseInt() converts it to a decimal (base 10) number.

• parseInt("1e2") returns 1 because 1e2 is scientific notation for 100, but parseInt() only parses integers and stops at the first non-digit character, which is e.