If you want to explicitly warn of empty number inputs, you’ll need to use: if ( & !numberInput.validity. It’s easy to hide the up and down buttons with CSS: input Contrary to the human eye, the field is empty… When a spinbox interface is not appropriate, type=text is probably the right choice (possibly with a pattern attribute). So it would not make sense for the user to select a credit card number using “up” and “down” buttons. Getting a credit card number wrong by 1 in the last digit isn’t a minor mistake, it’s as wrong as getting every digit incorrect. A simple way of determining whether to use type=number is to consider whether it would make sense for the input control to have a spinbox interface (e.g., with “up” and “down” arrows). For example, it would be inappropriate for credit card numbers or US postal codes. Only make sure that you reinforce the positive habits and not the ones that would damage your fingers after an intense typing session. The type=number state is not appropriate for input that happens to only consist of numbers but isn’t strictly speaking a number. The default UI for number inputs looks something like this in all desktop browsers It does, however, make this kind of input totally inappropriate for a credit card number, for example. It’s a useful piece of UI we get for free by default. On ( most) larger screens, number inputs come with an incrementer/decrementer button. However, type="number" isn’t appropriate for all numbers. This big button numeric keyboard is finger-friendly and will help prevent users bouncing from your form in frustration. Bringing up a number keyboard on small screens is easy on most platforms - just use a. Input fields that expect numerical values should have a numerical UI. We can make the process as pain-free as possible by reacting to context.
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