1. Polyfill of Promise 2. Polyfill of Promise.all 3. DnD implementation 4. About Virtual DOM 5. React Fiber 6. PureComponents/ShouldComponentUpdate usage 7. About react hooks
Ui Engineer Interview Questions
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Life cycle hooks Rx js operators Forkjoin Pipe - create custom pipe Observer Subject
What is JavaScript Closure?
Design amazon home page
All Angular 2+ lifecycle hook js module n ngmodule difference why ondestroy is required, if not unsubscribed what will happen? angular element can b used in another angular project, how? dynamic components Server side rendering, Security in Angular, Directives, Shared Modules
Amazon locker room interview question
Basic javascript by looking on internet. basic objects and array.
Latest version of angular and its major changes
Technical questions about JavaScript (like hoisting, closures), front end development (like HTML/CSS questions, event bubbling, prop drilling)
They asked about basics of CSS, jquery, HTML, my sql queries
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