people are countable, which is why "number" is used to determine their quantity. energy and time are uncountable, so their quantity is expressed using "amount".īesides its basic meanings as a noun (referring to a group of numbers, as in "phone number", or simply to the symbol used in the counting system, such as "four", "ten" etc.), "number" is used to determine the amount of something that is countable.Įxample: Tell me the number of people that entered your building today. And the factor that determines which one you should use is the thing you are trying to determine the quantity for - is it countable or uncountable? "Amount" is used to offer the quantity of uncountable nouns, while "number" illustrates the quantity of countable nouns.Īs already explained above, "amount" is used to determine how much there is of something, when that thing is not countable.Įxample: This project requires a huge amount of energy and time. The actual confusion that is often created between "amount" and "number" is actually sourced by the nouns they represent. "To number" is usually used in passive, meaning to give something a number, or, secondary, it can also refer to "numbering a particular amount of people/things", which means that there are a lot of people/things.
"To amount" means to have a particular total, and "to amount to something" refers to being the same or having the same effect as something.
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In fact, distinct contexts require a certain word from these two, depending on an important factor.įind out why you cannot replace "amount" with "number" and how to use them correctly.Īs verbs, "amount" and "number" have distinct meanings, easy to remember and not creating doubts or confusions. Even so, this doesn't mean that they are synonyms or that they can replace each other anytime. If you want to explicitly warn of empty number inputs, you’ll need to use: if ( & !" and "number" both refer to quantity and can be used as nouns and verbs as well. 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. 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.
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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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