jmrk questions

jmrk answers

• What does "Code move event for unknown code" mean when processing node.js profiling?
• Why "Map" manipulation is much slower than "Object" in JavaScript (v8) for integer keys?
• What does it mean for `(compiled code)` to build up on the js heap in chrome dev tools? Is this a memory leak?
• Time complexity of Javascript Array.find() in modern browsers
• Why does iterating over a Set's values allocate and create garbage?
• Perfomance: Switch vs Polymorphism
• Why does Node.js have an 1.76 Gb memory limit?
• Why is JavaScript executing callbacks in a for-loop so fast the first time?
• Do browsers always treat strings and numbers in Javascript as immutable?
• Confusion with how V8 turns function into hot function? [duplicate]