Non working negated boolean in knockout.js -


The markup below fails, but I can not understand that as a positive version (without an exclamation point) Works. Very silly but I had to ask.): 

  & lt; Div data-bind = "visible:! $ Root.showMe" & gt; Where (see in modal): self. ShowMe = Ko.Osabel (wrong);

Ah, classic! $ Root.showMe is a function that refuses to deny a function, thus it does not work. However, de-referencing the work with its value functions.

Valid markup is: 

  & lt; Div data-bind = "visible:! $ Root.showMe ()" & gt;

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