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JavaScript fn.exists

MarkLogic Server 11.0 Product Documentation
fn:exists

fn:exists(
   $arg as item()*
) as xs:boolean

Summary

If the value of $arg is not the empty sequence, the function returns true; otherwise, the function returns false.

Parameters
arg A sequence to test.

Example

fn:exists(fn:remove(("hello"), 1))

=> false

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