Modifier characters

Bind key modifiers are special characters that you can add to an element's bind key to add special behaviour.

An example of what this may look like is <button name="do" value="delete" data-bind:disabled="?!isActive">Delete</button>, and <img src="/photo.jpg" data-bind:class=":size" />.

Token modifier :

Attribute modifier @

Boolean modifier ?

Inverse boolean modifier ?!

Boolean value modifier =