Null object: Difference between revisions

=={{header|Jsish}}==

Like Javascript, Jsish has "undefined" and "null".

<lang javascript>/* null non value */

if (thing == null) { puts("thing tests as null"); }

if (thing === undefined) { puts("thing strictly tests as undefined"); }

puts(typeof thing);

puts(typeof null);

puts(typeof undefined);</lang>

{{out}}

<pre>prompt$ jsish nulling.jsi

thing tests as null

thing strictly tests as undefined

undefined

null

undefined

</pre>