This post breaks down ten techniques you can use to increase confidence that you’re investing in the right direction.Note that these are oversimplified here for reference and it’s best to read the resources to gain a more thorough understanding of these practices. If you want to customize this process, there are various places to make changes, each one serving a different purpose.Three types of cleaning methods are run during form processing.Be careful when doing this in practice, since it can lead to confusing form output.We’re showing what is possible here and leaving it up to you and your designers to work out what works effectively in your particular situation.
A validator is merely a callable object or function that takes a value and simply returns nothing if the value is valid or raises a Every form that uses this field will have these methods run before anything else can be done with the field’s data.
Best case, your design makes or exceeds its projected impact.
Worst case, your team wastes valuable time and resources or loses customers and money.
This is cleaning that is specific to this type of field, regardless of how it is subsequently used. It’s important to keep the field and form difference clear when working out where to validate things.
Fields are single data points, forms are a collection of fields.