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Why use Protopie?

There are many prototyping tools out there, so what makes Protopie special – how is it different?

Sending messages to two places

Whilst it is important to be careful in sending messages to the right places, it is also very powerful to send a message to two different places at the same time (or maybe with a small delay).

parseJson gives no error message

parseJson is.a very useful and powerful function, but it doesn't do all you might expect of it (yet, hopefully).

Use Components

It will often seem as though it will be faster to use individual elements than to use components, but in the end the time saving almost always goes the other way.

Distinctive initial variable values

It can sometimes be very helpful to use -99 and "null" for the initial values for your number and text variables.

Origami Studio, Figma and others

How do these other popular platforms compare?

Put code inside components

Protopie code can get complex and hard to follow surprisingly quickly. Putting as much code as possible within your components can keep your main scenes simpler and cleaner.

Using the wrong mental model for Protopie

Most prototyping tools for designers use the frame-by-frame, or multiple dartboards model. But Protopie is much closer to a developer's object-oriented model of an application UI.

How to inspect variables inside a component

Viewing variables within Components

Rough, Rapid, Right

Playing with time

Sending and receiving mismatched messages

Use overridable variables in components