Last major update: 25.08.2020
- Что такое авторизация/аутентификация
 - Где хранить токены
 - Как ставить куки ?
 - Процесс логина
 - Процесс рефреш токенов
 - Кража токенов/Механизм контроля токенов
 
#Angular 2 - Fast and Furious
All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.
Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.
elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent