function isBoxedPrimitive
Jump to headingisBoxedPrimitive(object: unknown): object is String
| Number
| BigInt
| Boolean
| SymbolReturns true if the value is any boxed primitive object, e.g. created
by new Boolean(), new String() or Object(Symbol()).
For example:
util.types.isBoxedPrimitive(false); // Returns false
util.types.isBoxedPrimitive(new Boolean(false)); // Returns true
util.types.isBoxedPrimitive(Symbol('foo')); // Returns false
util.types.isBoxedPrimitive(Object(Symbol('foo'))); // Returns true
util.types.isBoxedPrimitive(Object(BigInt(5))); // Returns true
Parameters Jump to heading
Jump to headingobject: unknownReturn Type Jump to heading
object is String
| Number
| BigInt
| Boolean
| Symbol