: The element type number creates input filed which allows a user to enter the numeric value. Thanks! If the values contain non-digit characters, the … Try it below! Interestingly without the hack of using ‘any’ that would imply that only rational numbers are officially a ‘number’ according to the w3c. But combining it with pattern="[0-9]*" did the trick. Now we'll look at the functionality of newer form controls in detail, including some new input types, which were added in HTML5 to allow collection of specific types of data. In the previous article we looked at the element, covering the original values of the type attribute available since the early days of HTML. /* type="number"のinput要素にだけスタイルを適用する例 */ input[type="number"] {width: 30px;} patternは使えない. 2. pattern attribute. Edit in JSFiddle . ... 6. The multiple attributes allow a user to enter more than one email address. I was trying to use to enforce 8-digit numbers while allowing leading zeros.This was being done on an optional field (no required attribute) and I could not understand why it was bypassing my pattern on the populated … pattern属性は、正規表現で使用可能な文字列を決めるものです。こちらもtype="number"では使えません。 応用編 整数のみにする（小数点を禁止） Brad argues that we then shouldn’t be using for “account numbers, social security numbers, credit card numbers, confirmation numbers” which makes a bunch of sense to me! Instead we can use the pattern attribute that Chris Ferdinandi looked at a while back in a post all about constraint validation in HTML. The defines a field for entering a number.. Use the following attributes to specify restrictions: max - specifies the maximum value allowed; min - specifies the minimum value allowed; step - specifies the legal number intervals; value - Specifies the default value; Tip: Always add the