JS: Convert Decimal, Binary

By Xah Lee. Date: . Last updated: .

Decimal to Binary

(15).toString(2).toUpperCase() === "1111"

〔see Number.prototype.toString〕

Binary to Decimal

// direct binary input
0b1111 === 15

// convert binary to decimal
parseInt("1111", 2 === 15)

〔see Number.parseInt〕

JavaScript, Convert Decimal, Hexadecimal, Binary

JavaScript, Number