Is there a system/framework in existence which focuses on providing tutorial / help like overlays in the browser?
Example: You have a webapp which requires a certain level of instruction to the user. In this instruction process you wish to "highlight" (e.g. arrow, colour shading, pulsing border, etc) a certain element on the page, with an accompanied message.
This would be a true overlay, so it would function only in absolute positioning, and not interfere with the existing layout.
I'm looking for an existing solution, before I consider rolling my own.
Thanks to Johnson for giving me a good term to Google with (sans ridiculous false positives).
Here is a list of "feature tour" solutions I've found:
I'm sure there are more out there. These solutions can make it far easier for a developer to implement better feature introductions to users.
More into addition of the list we can use lightweight library https://github.com/heelhook/chardin.js
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