toNumber (Lodash Compatibility)

Use Number constructor instead

This toNumber function performs slowly due to symbol type validation and additional processing.

Use the faster and more modern Number constructor instead.

Converts a value to a number.

const number = toNumber(value);

Reference

toNumber(value)

Converts a value to a number. Symbols are treated as NaN.

import { toNumber } from 'es-toolkit/compat';

// Regular numbers are returned as is
toNumber(3.2);
// Returns: 3.2

// Convert string numbers
toNumber('3.2');
// Returns: 3.2

// Infinity is also returned as is
toNumber(Infinity);
// Returns: Infinity

// Very small numbers are also returned as is
toNumber(Number.MIN_VALUE);
// Returns: 5e-324

Symbols and NaN are converted to NaN.

import { toNumber } from 'es-toolkit/compat';

toNumber(Symbol.iterator);
// Returns: NaN

toNumber(NaN);
// Returns: NaN

Parameters

• value (unknown): The value to convert.

Returns

(number): Returns the converted number.