Here is a collection of useful placeholder plugins for jQuery. There are plenty out there but these are the best we’ve found, with plenty of features to suit any developer.
2. jQuery Label Better
Label your form input like a boss with this plugin, using beautiful animations and without taking up space.
4. HTML5 Placeholder jQuery Plugin
5. jQuery Placeholder Plugin
This is a simple plugin for jQuery that provides support for the HTML5 placeholder attribute in browsers that do not already support it.