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Event Handing

How to create on-click event handling?

  • Create a mutable boolean variable inside the component.
Boolean variable
boolean $<boolean-variable>: true
Lang:
ftd
  • Give if condition to the Body part.
if-condition
if: { box.<boolean-variable> }
Lang:
ftd
  • Inside the Header row, we create the event for on-click.
on-click event
$on-click$: $toggle($<function-argument> = $box.<boolean-variable>)
Lang:
ftd
  • Define the toggle function after component.
on-click event
-- void toggle(<function-argument>):
boolean $function-argument:

<function-argument> = !<function-argument>;
Lang:
ftd
Here We Go!!! We have made the Expander Project from scratch.

Don't want to rewrite this but want to reuse it in your next project?

Or, You want to share it with others?

In Part 5, you will learn how to publish it as a package on GitHub.
Continue with the part 5 now.