visible in a function is not working

Hi.

This is a problem of context. The this keyword inside of a function doesn't refer to the current timeline as you're probably expecting.

You should store a reference to the current timeline in a variable, bind the the function to the current timeline, or use the currentTarget property of the event object.

Variable approach:

var _this = this;

function CheckComplete_btn()
{
	_this.nextBtn.visible = true;
}

Bind approach (addEventListener):

this.nextBtn.addEventListener("click", CheckComplete_btn.bind(this));

function CheckComplete_btn()
{
	this.nextBtn.visible = true;
}

Bind approach (on):

this.nextBtn.on("click", CheckComplete_btn.bind, this);

function CheckComplete_btn()
{
	this.nextBtn.visible = true;
}

You can use the two approaches below if the button that received the event listener is the same one that will be set to be visible.

Event.currentTarget (addEventListener):

this.nextBtn.addEventListener("click", CheckComplete_btn);

function CheckComplete_btn(event)
{
	event.currentTarget.visible = true;
}

Event.currentTarget (on):

this.nextBtn.on("click", CheckComplete_btn);

function CheckComplete_btn(event)
{
	event.currentTarget.visible = true;
}

I hope this helps.

Regards,

JC