isNotNull(value) Last updated: 16. May 2026

Checks if specified value is not null.

Parameters

Name	Type	Description
value	any	The value to check.

Returns

True of value is not null, otherwise false.

Example

Data

{
    "value1" : "asdf",
    "value2" : null
}

Code example (#JS)

#JS is mixed HTML (or other text file) with inline JavaScript with # starting and ending each inline statement.

<p>
    Is value1 not null?
    #docly.isNotNull(value1) ? "Yes" : "No"#
</p>

<p>
    Is value2 not null?
    #docly.isNotNull(value2) ? "Yes" : "No"#
</p>

Output

The #JS code above produces the output shown below:

<p>
    Is value1 not null?
    Yes
</p>

<p>
    Is value2 not null?
    No
</p>

Code example (JS)

JS is normal JavaScript either running in the browser or on the Docly™ server.

write(docly.isNotNull(null));
write("\n");
write(docly.isNotNull("hello"));
/* Expected output:
false
true
*/

Output

The JS code above produces the output shown below:

false
true