Returns the primitive value of the specified object.
Syntax
object.valueOf( )
Remarks
The required object reference is any intrinsic JavaScript object.
The valueOf method is defined differently for each intrinsic JavaScript object.
| Object | Return Value |
|---|---|
| Array | Returns the array instance. |
| Boolean | The Boolean value. |
| Date | The stored time value in milliseconds since midnight, January 1, 1970 UTC. |
| Function | The function itself. |
| Number | The numeric value. |
| Object | The object itself. This is the default. |
| String | The string value. |
The Math and Error objects do not have a valueOf method.
Requirements
Supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards, Internet Explorer 10 standards, Internet Explorer 11 standards. Also supported Store apps (Windows 8 and Windows Phone 8.1). See Version Information.
Applies To: Array Object| Boolean Object| Date Object| Function Object| Number Object| Object Object| String Object