What is the pattern attribute?
Also to know is, what is the importance of pattern attribute?
Using the Pattern Attribute The pattern attribute is only applicable on the input element. It allows us to define our own rule to validate the input value using Regular Expressions (RegEx). Again, if the value does not match the specified pattern, the input will throw an error.
Additionally, what is pattern validation? Validation Pattern matching is an advanced concept in which a user can specify how the app reacts to scans that match a “pattern”. The format of a pattern relies on three things: Length: Barcodes must have the length of the pattern to match.
Beside this, how do you apply a pattern in HTML?
The pattern attribute specifies a regular expression that the <input> element's value is checked against on form submission. Note: The pattern attribute works with the following input types: text, date, search, url, tel, email, and password. Tip: Use the global title attribute to describe the pattern to help the user.
Which attribute is used to set a hint in a input field?
The placeholder attribute specifies a short hint that describes the expected value of an input field (e.g. a sample value or a short description of the expected format).