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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.
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.
Description
The toSource method returns the following values:
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
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | No support | 36.0 (36.0) | No support | No support | No support |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | No support | 36.0 (36.0) | No support | No support | No support |