Joji questions

• Is it ok to mix .catch() with async/await for error handling?
• TypeScript: is there a way to convert a string literal type to a number type?
• JavaScript algorithm: print out the path from directed graph with minimal costs
• Why can't my filter method narrow the type and eliminate the undefined and false from the array?
• How do I get the actual size in bytes for a number and a string in JavaScript in a browser environment?
• TypeScript: is there a way to create a utility type to do minus calculation on numbers?
• confusions about how images are transferred via HTTP and handled in JavaScript
• React: why is the state returned from useState stays the same when the initializer function gets called on every re-render?
• Where in the ECMAScript specification can I find the reason about why {} !== {}?
• Why doesn't the default parameter being an empty array work with generic types?

Joji answers