Certain databases require external Javascript libraries, which can be installed afterwards as follows. 

The ChemDoodleWeb- library* makes it possible to display 2D and 3D structures, native to the field of chemistry. To display 3D structures, like proteins, you will require a WebGL supported browser. 

* http://web.chemdoodle.com

The Highlight.js-library * enables the usage of colour  in the syntax highlighting of programme code. 

* http://highlightjs.org

The MathJax-library* enables the ability to display mathematic formulas and equations, in LaTeX  and MathML formats. 

* https://www.mathjax.org/

The jqPlot-library* enables users to generate a variety of diagrams. 

* http://www.jqplot.com