Number.parseFloat()

The Number.parseFloat() method parses a string argument and returns a floating point number.

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Syntax

Number.parseFloat(string)

Parameters

string

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

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

Number.parseFloat === parseFloat; // true

and is part of ECMAScript 2015 (its purpose is modularization of globals). Please see parseFloat() for more detail and examples.

Polyfill

if (Number.parseFloat === undefined) {
    Number.parseFloat = parseFloat;
}

Specifications

Browser compatibility

See also

• The Number object it belongs to.
• The global parseFloat() method.