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

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