This article covers features introduced in SpiderMonkey 38
Testing and conversion functions between a JS ID and a JS Symbol.
Syntax
bool JSID_IS_SYMBOL(jsid id); JS::Symbol * JSID_TO_SYMBOL(jsid id); jsid SYMBOL_TO_JSID(JS::Symbol *sym);
| Name | Type | Description | 
|---|---|---|
| id | jsid | The property identifier to test or convert. | 
| sym | JS::Symbol | A JS Symbol to test or convert. | 
Description
JSID_IS_SYMBOL tests whether a specified JS ID, id, is a JS Symbol, and returns true if it's a JS Symbol.
JSID_TO_SYMBOL converts a specified JS ID, id to a JS Symbol.
SYMBOL_TO_JSID converts a specified JS Symbol, i to a jsid.