HTML · Form and input attributes

placeholder

A format hint inside an empty field. It is not a label and disappears on input.

htmlRunnable example html course

Syntax

placeholder="you@example.com"

Example

Try it

<label for="mail">Email</label><input id="mail" placeholder="you@example.com">

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.