![]() 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. Today my fingers were possessed and I got not only a new high score. 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. Last weeks hard work on numbers and this morning on accuracy has paid off. 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. 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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