§ The no Expression

§ Syntax

  no <expr>

§ Description

The no operator returns true if the value of the expression is null, undefined or an object of length 0 (an empty string or array). You can also accomplish this same task using the is empty and is not empty comparisons operators.

§ Examples

<div
  _="on click
          if no .tabs log 'No tabs found!'"
>
  Check for Tabs
</div>