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Advanced reactjs

• Connecting a custom Higher-Order Component
• Testing nested components
• Defining components inside a component is an anti-pattern
• Auto-update Apollo's client cache on mutations

vue.js basics

• Using a vanilla JS module within Vue components
• Components communication theory
• How Vue animation works
• How to simulate out-in mode with list transition

Getting started with backbone.js

• Difference between $el and el?
• Avoid a memory leak with Backbone
• Save a model's changedAttributes
• Save changes of a collection's models
• A collection within a model
• Custom parameter in a collection's url
• Set nested model attributes

Advanced backbone.js topics

• Efficiently render a list
• Store different model types in the same collection
• Easiest way to reset Backbone's model to initial defaults?
• Set model's defaults based on a collection property
• Create a good base class with Backbone
• Namespacing pattern with Backbone
• Force a POST request with Backbone
• Bubble events of nested models and collections

backbone.js Components

• Backbone custom confirmation modal
• Token-based authentication (passing a token within each request headers)
• Detect clicks outside of an element
• TinyMCE Backbone component

Other good answers

• Namespacing, Constructors/Instances, Ordering dependencies