Naturally, this checking is rudimentary, perhaps looking for an character or a period. Undoubtedly, though, corporations will require a branded date picker. Here is some HTML markup to validate a phone number field: This is likely to include looking for forward slashes, periods, and spaces, and possibly detecting a valid top-level domain such as.
The reason for this is a lack of relevant use cases. Browsers will still treat the field as a regular text box, with the addition that declaring the field as the url type will cause it to be validated and mobile devices to replace the space bar with a period, a forward slash, and a ". For example, the keyboard for email fields contains dedicated keys for the obligatory ' ' and '. This is likely to include looking for forward slashes, periods, and spaces, and possibly detecting a valid top-level domain such as. A RegExp can do the job, but validating an entire email address at once results in an expression so long and complex, that it should come with a "viewer discretion" advisory! Otherwise, it will ignore the value you set and leave the type property as "text". So, without further ado, let's see what makes these new input types worth talking about. This ensures that no validation will be carried out on form submission, which may or may not be suitable for your needs. Nonetheless, since validation should be performed on telephone fields, there is a new attribute that can help you to enforce your preferred format. Well, with HTML5 we get that functionality baked into the browser. The rules for email addresses are actually a lot more lenient and yet complex that most people assume. It represents a numerical value within a given range. Don't let a lack of browser support deter you from using the email type. This means we can include negative values or step up in increments of 0. Android screenshot provided by Stuart Langridge. The established way to handle them is to allow free-form text entry and then run them through a Regular Expression. When you include it, the browser will validate the field contents against the Regular Expression assigned to the pattern attribute. Desktop browsers will render this in a similar way to a standard text field—until you start typing, that is. The same applies to all of the new input types discussed here. Use the url input type like so: You can find out more about it on his blog. This presents a whole host of issues, the main one being using too strict a pattern. It, Safari, and Chrome render the input as a spinbox control see Figure 7 whereby you can click the arrows to move up or down. It's called the pattern element. The range input type is similar to number but more specific.