The Number.parseFloat() method parses a string argument and returns a floating point number. This method behaves identically to the global function parseFloat() and is part of ECMAScript 2015 (its purpose is modularization of globals).

Syntax

Number.parseFloat(string)

Parameters

value
The value you want to parse.

Return value

A floating point number parsed from the given value. If the value cannot be converted to a number, NaN is returned.

Description

Please see parseFloat() for more details and examples.

Polyfill

Number.parseFloat = parseFloat;

Specifications

Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Number.parseFloat' in that specification.
Standard Initial definition.
ECMAScript Latest Draft (ECMA-262)
The definition of 'Number.parseFloat' in that specification.
Draft  

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes25 No Yes9
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes Yes25 Yes9 Yes

See also

Document Tags and Contributors

Last updated by: wbamberg,