How to make popup help/info message?

How do show pop up help messages in jquery?

I.e You migh开发者_如何学Pythont want to let the user know about a new feature, or might want to provide the user with help on how to use a feature.

Your best bet to get started would be the jQuery Dialog which is part of jQuery UI. That can give you basic message abilities

You could use a popup lightbox plugin, there are plenty available, but I'd recommend FancyBox because it's flexible, easy to use, and looks quite professional. You can them to display any content, including simple text, buttons, forms, iframes and images.

Have a div element hidden. Position is absolute, z-index to something greater than 0 (css). Onclick on some button or something, have javascript change the display of this element to block.