| asyncDispose |
|
|
- |
| asyncIterator |
|
|
- |
| auto-boxing-non-strict.js |
---
es6id: 19.4
description: >
Symbol ToObject auto-boxing
flags: [noStrict]
features: [Symbol]
--- |
666 |
- |
| auto-boxing-strict.js |
---
es6id: 19.4
description: >
Symbol ToObject auto-boxing
flags: [onlyStrict]
features: [Symbol]
--- |
505 |
- |
| constructor.js |
---
es6id: 19.4.3.1
description: >
Symbol constructor
features: [Symbol]
--- |
561 |
- |
| desc-to-string-symbol.js |
---
esid: sec-symbol-constructor
description: The first argument is coerced to a String value (from a Symbol)
info: |
1. If NewTarget is not undefined, throw a TypeError exception.
2. If description is undefined, let descString be undefined.
2. Else, let descString be ? ToString(description).
3. Return a new unique Symbol value whose [[Description]] value is
descString.
features: [Symbol]
--- |
639 |
- |
| desc-to-string.js |
---
esid: sec-symbol-constructor
description: The first argument is coerced to a String value (from an object)
info: |
1. If NewTarget is not undefined, throw a TypeError exception.
2. If description is undefined, let descString be undefined.
2. Else, let descString be ? ToString(description).
3. Return a new unique Symbol value whose [[Description]] value is
descString.
features: [Symbol]
--- |
1837 |
- |
| dispose |
|
|
- |
| for |
|
|
- |
| hasInstance |
|
|
- |
| invoked-with-new.js |
---
esid: sec-symbol-constructor
description: The Symbol constructor may not be invoked with `new`
info: |
1. If NewTarget is not undefined, throw a TypeError exception.
features: [Symbol]
--- |
460 |
- |
| is-constructor.js |
---
esid: sec-symbol-constructor
description: >
Symbol is a constructor and has [[Construct]] internal method.
info: |
The Symbol constructor:
[...]
may be used as the value of an extends clause of a class definition
but a super call to it will cause an exception.
[...]
has a [[Prototype]] internal slot whose value is %Function.prototype%.
includes: [isConstructor.js]
features: [Symbol, Reflect.construct]
--- |
666 |
- |
| isConcatSpreadable |
|
|
- |
| iterator |
|
|
- |
| keyFor |
|
|
- |
| length.js |
---
esid: sec-symbol-constructor
description: >
Properties of the Symbol Constructor
Besides the length property (whose value is 0)
includes: [propertyHelper.js]
features: [Symbol]
--- |
440 |
- |
| match |
|
|
- |
| matchAll |
|
|
- |
| name.js |
---
esid: sec-symbol-constructor
description: >
Symbol ( [ description ] )
includes: [propertyHelper.js]
features: [Symbol]
--- |
385 |
- |
| not-callable.js |
---
esid: sec-properties-of-symbol-instances
description: >
Symbol primitives and objects are not callable.
info: |
Properties of Symbol Instances
Symbol instances are ordinary objects that inherit properties from the
Symbol prototype object. Symbol instances have a [[SymbolData]] internal slot.
The [[SymbolData]] internal slot is the Symbol value represented by this
Symbol object.
features: [Symbol]
--- |
836 |
- |
| prototype |
|
|
- |
| replace |
|
|
- |
| search |
|
|
- |
| species |
|
|
- |
| split |
|
|
- |
| symbol.js |
---
esid: sec-symbol-constructor
description: >
The Symbol constructor is the %Symbol% intrinsic object and the initial
value of the Symbol property of the global object.
includes: [propertyHelper.js]
features: [Symbol]
--- |
463 |
- |
| toPrimitive |
|
|
- |
| toStringTag |
|
|
- |
| uniqueness.js |
---
esid: sec-symbol-constructor
description: The Symbol constructor returns a unique value
info: |
1. If NewTarget is not undefined, throw a TypeError exception.
2. If description is undefined, let descString be undefined.
2. Else, let descString be ? ToString(description).
3. Return a new unique Symbol value whose [[Description]] value is
descString.
features: [Symbol]
--- |
783 |
- |
| unscopables |
|
|
- |