Outputting JSON using an XSLTListViewWebPart and some custom XSL.
JS Link is a new web part property in many SharePoint 2013 web parts. It allows users and developers to create Client-Side Rendering (CSR) solutions within SharePoint 2013. In other words, it allows alternate formatting, data and functionality to be manipulated within a web part.
Find out how to use server-side rendering with Content Search Web Part in SharePoint 2013.
It would not occur to most power users that web parts can also be added to a Master page, and while this behavior is not available in the SharePoint UI, it can easily be accomplished using SharePoint Designer
This is the third part of an article series describing how to configure search scopes and custom web parts to build a search-based rollup solution.
How to get the Content Query Web Part to output desired HTML.
How to change the default text displayed at the bottom of stock web parts.