JavaScript: Number.parseInt

By Xah Lee. Date: . Last updated: .

Syntax

Number.parseInt(string)
Convert string to a integer.
// string to number
console.log(parseInt("324") === 324);
Number.parseInt(string, radix)
Use base radix.
// hexadecimal string to number
console.log(parseInt("ff", 16) === 255);
// binary string to number
console.log(parseInt("101", 2) === 5);

Number.parseInt and window.parseInt

Number.parseInt is the same as the the Global Object's parseInt

console.log(Number.parseInt === globalThis.parseInt);
BUY
ΣJS
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JS Obj Reference

Number

prototype