Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The toSource() method returns a string representing the source code of the object.
Syntax
numObj.toSource() Number.toSource()
Return value
A string representing the source code of the object.
Description
The toSource() method returns the following values:
For the built-in Number object, toSource() returns the following string indicating that the source code is not available:
function Number() {
[native code]
}
For instances of Number, toSource() returns a string representing the source code.
This method is usually called internally by JavaScript and not explicitly in web code.
Specifications
Not part of any standard. Implemented in JavaScript 1.3.
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Firefox | Edge | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic Support | (No) | (Yes) | (No) | (No) | (No) | (No) |
| Feature | Android | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
| Basic Support | (No) | (No) | (No) | (Yes) | (No) | (No) | (No) |