parseInt < Number < JavaScript
The Number parseInt() static method takes a string and returns an integer. A second value can be passed of the specified radix/base number system to use. 10/decimal is used if a second value isn't passed.
const number = 5.99;
const numberParseInt = number.parseInt(number);
console.log(numberParseInt);
// 5
console.log(Number.parseInt('10.33333'));
// 10