What is parseInt in JavaScript? The parseInt function converts its first argument to a string, parses that string, then returns an integer or NaN . If not NaN , the return value will be the integer that is the first argument taken as a number in the specified radix.
What is a Radix in JavaScript? A radix parameter specifies the number system to use: 2 = binary, 8 = octal, 10 = decimal, 16 = hexadecimal. If radix is omitted, JavaScript assumes radix 10. If the value begins with "0x", JavaScript assumes radix 16.
Integers. Numbers can be positive or negative integers. However, integers are floating-point values in JavaScript. Integers value will be accurate up to 15 digits in JavaScript. Integers with 16 digits onwards will be changed and rounded up or down; therefore, use BigInt for integers larger than 15 digits.
The console.log() is a function in JavaScript that is used to print any kind of variables defined before in it or to just print any message that needs to be displayed to the user. Syntax: console.log("");