Null object: Difference between revisions
Content added Content deleted
Walterpachl (talk | contribs) m (→{{header|ooRexx}}: upperclass -> uppercase :-)) |
|||
| Line 452: | Line 452: | ||
=={{header|JavaScript}}== |
=={{header|JavaScript}}== |
||
In Javascript null is the value that isn't anything. null is an object. |
|||
<lang javascript>if (object !== undefined) |
|||
<lang javascript>if (object === null) { |
|||
alert("object is null"); |
|||
} |
|||
typeof null === 'object'; // This stands since the beginning of JavaScript</lang> |
|||
=={{header|K}}== |
=={{header|K}}== |
||