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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 6 (its purpose is modularization of globals).
Syntax
Number.parseFloat(string)Parameters
string- A string that represents the value you want to parse.
Return value
A floating point number parsed from the given string. If the first character 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 2017 Draft (ECMA-262) The definition of 'Number.parseFloat' in that specification. |
Draft |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | (Yes) | 25 (25) | No support | (Yes) | No support |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | No support | 25.0 (25) | No support | No support | No support |
See also
- The
Numberobject it belongs to. - The global
parseFloat()method.
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