How to add a placeholder to select element in html. Add placeholder for select box – Html5 attribute placeholder is not valid for selecbox so you can’t ass the placeholder in select box using this attribute. Placeholder text with sufficient color contrast may be interpreted as entered input. It doesn’t seem to support placeholder="stuff" as other forms do. There are many ways to add placeholder for select box. The placeholder attribute specifies a short hint that describes the expected value of an input field/text area. :invalid works here because of the empty value in the placeholder option. Текстовая строка. Project Spartan - v.15.10130 (Placeholder is visible in dropdown but is not selectable) Update: When the select element is required it allows use of the :invalid CSS pseudo-class which allows you to style the select element when in it's "placeholder" state. HTML TextArea Tag is used in a web application, where needs multiple lines of text input or long text content.For example in e-commerce sides like Flipkart and Amazon needed a user address. Angular Quick Tip — How to Show a Placeholder in Select Control. The key to applying special colors and other styling to an HTML input's placeholder text is defining unique rules for the ::placeholder pseudo elements. It can change from browser to browser. Modifying the placeholder plugin to only allow input from a select object turned out to be pretty easy, so this post should be pretty short. The HTML Значения. Share this example with Facebook, Twitter, Gmail. However, you can create similar effect by using the HTML disabled and selected attribute on a