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Number.parseFloat()

The Number.parseFloat() method parses an argument and returns a floating point number. If a number cannot be parsed from the argument, it returns NaN.

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Syntax

Number.parseFloat(string)

Parameters

string: The value to parse, coerced to a string. Leading whitespace in this argument is ignored.

Return value

A floating point number parsed from the given string.

Or NaN when the first non-whitespace character cannot be converted to a number.

Examples

Number.parseFloat vs parseFloat

This method has the same functionality as the global parseFloat() function:

Number.parseFloat === parseFloat; // true

Its purpose is modularization of globals.

See parseFloat() for more detail and examples.

Specifications

Specification
ECMAScript Language Specification # sec-number.parsefloat

Browser compatibility

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	Deno	Node.js
`parseFloat`	34	12	25	No	21	9	37	34	25	21	9	2.0	1.0	0.12.0