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Comprehension Questions

Question	Answer
How are events / event handlers and this.state connected?	Events are created but not called until this.state is invoked
What are two ways to do "dynamic styling" with React? When should they be used?	Inline styles using the style attribute- used rarely but when you want a specific style for a specific thing (not for many components) and in an external stylesheet using className attribute - use this more often to style the program
Much like Rails works with the HTTP request->response cycle, React works with the browser's input->output cycle. Describe React's cycle from receiving user input to outputting different page content.	React is built from components. Within these components, props are created and passed. The component renders JSX to output to the browser.
Compare how React and Rails' views differ. Given different circumstances, these systems have different goals. How does this impact on their design and how we are supposed to use them?	React renders JSX that sdds XML syntax to JavaScript while Rails used ERB, React uses the virtual DOM so that it updates the page automatically. Rails used MVC React uses components and render functions.
What was a challenge you were able to overcome on this assignment?	Understanding props and state and how they relate to the different components in React

CS Fundamentals Questions

Question	Answer
Consider the code on the first few lines of App.render (it starts with this.state.items.map). What is the Big-O time complexity of this code, where n is the number of active game items?	O(n) as it has to map over each of the game items
What part of React might benefit most from the use of specific data structure and algorithms?
Consider what happens when React processes a state change from setState -- it must re-render all of the components that now have different content because of that change. What kind of data structure are the components in, and what sort of algorithms would be appropriate for React's code to "traverse" those components? Speculate wildly about what the Big-O time complexity of that code might be.