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This feature is obsolete.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.
This method is usually called internally by JavaScript.
Syntax
Symbol.toSource() var sym = Symbol() sym.toSource()
Return value
A string representing the source code of the object.
Examples
Native function
For the built-in Symbol
object, toSource
returns the following string indicating that the source code is not available:
"function Symbol() { [native code] }"
For instances of Symbol
, toSource
returns a string representing the source code.
"Symbol()"
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
36 — 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 36 | 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.