fetch('https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.8/angular.min.js')
.then(response => response.text())
.then(text => eval(text))
.then(() => { /* now you can use your library */ })
It loades the library in xhr - which allows CORS from console, and avoids the script-src policy.
It uses the synchronous option of xhr which allows you to stay at the console/snippet's context, so you'll have the permission to eval the script, and not to get-treated as an unsafe-eval.