The toString()
method returns a string representing the specified Symbol
object.
Symbol.prototype.toString()
Try it
Syntax
toString()
Return value
A string representing the specified Symbol
object.
Description
The Symbol
object overrides the toString
method of the Object
object; it does not inherit Object.prototype.toString()
. For Symbol
objects, the toString
method returns a string representation of the object.
No string concatenation
While you can call toString()
on Symbols, you cannot use string concatenation with them:
Symbol('foo') + 'bar' // TypeError: Can't convert symbol to string
Examples
Using toString()
Symbol('desc').toString() // "Symbol(desc)" // well-known symbols Symbol.iterator.toString() // "Symbol(Symbol.iterator) // global symbols Symbol.for('foo').toString() // "Symbol(foo)"
Specifications
Browser compatibility
Desktop | Mobile | Server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | Deno | Node.js | |
toString |
38
|
12
|
36
|
No
|
25
|
9
|
38
|
38
|
36
|
25
|
9
|
3.0
|
1.0
|
0.12.0
|
See also
© 2005–2022 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/toString