a sample value or a short description of the expected format). Come utilizzare l’attributo placeholder di HTML5 e risolvere i problemi di accessibilità. a sample value or a short description of the expected format). Here’s an example showing what a placeholder is. The text remains while the input has no value, even when the form control receives focus. See the Pen Basic Example of an Input Placeholder by CSS-Tricks (@css-tricks) on CodePen. The placeholder attribute specifies a short hint that describes the expected value of an input field (e.g. Color contrast ratio is determined by comparing the luminosity of the placeholder text and the input background color values. With HTML5 came the placeholder text for input and textarea elements, a welcome replacement for the JavaScripted alternative. a sample value … The explanation and uses notes are as below: WebKit and Blink browsers (Safari, Google Chrome, Opera 15+) are using a pseudo-element: ::-webkit-input-placeholder. This attribute on and