jmrk questions

jmrk answers

• 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]
• What is the default value of available memory when `--max-old-space-size` flag is not used?
• JavaScript array performance drop at 13k-16k elements
• Does the line which never runs affect performance in V8?
• Meaning of merge, phi, effectphi and dead in v8 terminology