JFrog finds 148 npm proxy packages turned student browsers into a DDoS botnet, while a mutable loader lets operators re-arm ...
Bind any element with data-props-for="key …" and read its --live-* properties in CSS. That's the whole idea.
If you don't use package manager and you want to include react-responsive-masonry directly in your html, you could get it from the UNPKG CDN ...