# On-Demand Script Loading with JavaScript

In this screencast a script is dynamically loaded by user action (with click on a button) and without any external libraries:    




Dynamic script loading is particularly useful for polyfills,
which can be conditionally loaded depending on browser's capabilities.


See you at Single Page Applications (SPAs) -- the "no frameworks, no migrations" approach, at Munich Airport, Terminal 2 or webstandards.training (online).