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Hello,
I am trying to create a integer field for entering phone numbers and I want to add a validation so that it would not allow to save the value if
it exceeds 10 digits. The optional size parameter seems to have no effect. How can I achieve this?
Thank You.
Simplest way I think would be to use an onchange-method on the field. If the value is > 10, clear the field and display a message.
The docs mention this:
on_change:
Default value for the on_change attribute in the view. This will launch a function on the server when the field changes in the client. For example, on_change="onchange_shop_id(shop_id)".
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