superplaceholder.js is a library to bring your input placeholders to life by cycling multiple instructions in a single input placeholder.
Placeholdem is a JavaScript plugin that animates placeholder carets on inputs and textareas. The placeholder value will incrementally delete on focus, and restore on blur.
floatlabels.js is a jQuery plugin for the Float Label Pattern. The Pattern is easy to explain. On User Interaction with an input field the placeholder value moves up, and is displayed above the typed text.
This Plugin offers you the possibility to upgrade your forms with this famous pattern.
Augments form labels to behave like placeholders, but with a twist.
In-Field Labels is a simple jQuery plugin that turns properly formatted HTML forms into forms with in-field label support. Labels fade when the field is focussed and disappear when text entry begins. Clearing a field brings back the label.
jQuery Super Labels is a form field overlay plugin that hides labels when an input gains focus. It’ll work automatically with most text fields. If the label needs to be displayed in a different location, suitable options can be provided.
Super Labels has advanced options for controlling animation easing and duration.
A jQuery plugin to help implement the over label technique. When the user puts focus on the input, the label will be hidden. When the input is blurred and has no value, the label will be shown again. Just need to write the CSS based on your DOM structure to position the label over the element correctly.