Framework · 2010–2021 · Cloud Scale
AngularJS (1.x)
Two-way binding magic that became a migration tax. Angular 2+ was a rewrite; the 1.x apps lingered for years.
Why AngularJS (1.x) faded
AngularJS faded because the 2.0 breaking rewrite stranded millions of lines and goodwill. Two-way binding hid state bugs until apps grew hair. It taught the world SPAs; React harvested the graduates.
Case studies
Patterns

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Related
Framework · 2013–now
React
Components and unidirectional data. Won the front-end by being good enough and having a gravitational ecosystem.
Framework · 2014–now
Vue
Progressive framework with a friendlier learning curve. Steady share without the cult volume.
Framework · 2016–now
Angular (2+)
Batteries-included SPA platform for teams that want opinions and CLI scaffolding.