Null object: Difference between revisions
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=={{header|JavaScript}}== |
=={{header|JavaScript}}== |
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In Javascript null is the value that isn't anything. null is an object. |
In Javascript <tt>null</tt> is the value that isn't anything. <tt>null</tt> is not an object, but because of a bug <tt>typeof null</tt> will return "object". |
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<lang javascript>if (object === null) { |
<lang javascript>if (object === null) { |
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alert("object is null"); |
alert("object is null"); |
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// The object is nothing |
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} |
} |
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typeof null === |
typeof null === "object"; // This stands since the beginning of JavaScript</lang> |
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=={{header|K}}== |
=={{header|K}}== |
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