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Summary
Indicates whether a JS value has a type that is subject to garbage collection.
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Syntax
JSVAL_IS_GCTHING(v)
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Description
JSVAL_IS_GCTHING determines whether or not a specified JS value, v, is a pointer to value that is subject to garbage collection. JavaScript performs automatic garbage collection of objects, strings, and doubles. If the type tag for v is not JSVAL_INT and it is not JSVAL_BOOLEAN, JSVAL_IS_GCTHING evaluates to true. Otherwise it evaluates to false.
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Notes
JSVAL_IS_GCTHING evaluates to true for JSVAL_NULL.
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See Also
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