Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
The toSource()
method returns a string representing the source code of the object.
Syntax
regexObj.toSource()
Return value
A string representing the source code of the given RegExp
object.
Examples
Native function
For the built-in RegExp
object, toSource()
returns the following string indicating that the source code is not available:
function RegExp() { [native code] }
For instances of RegExp
, 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.
Browser compatibility
The compatibility table on 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.
Desktop | Mobile | Server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
toSource | Chrome No support No | Edge No support No | Firefox
No support
1 — 74
| IE No support No | Opera No support No | Safari No support No | WebView Android No support No | Chrome Android No support No | Firefox Android Full support 4 | Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No | nodejs No support No |
Legend
- Full support
- Full support
- No support
- No support
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.
- See implementation notes.
- See implementation notes.