javascript-tutorial / javascript-tutorial/en.javascript.info
Suggestion: mention string interning
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Description
If we want to be completely clear in the object copy lesson, we can include a snippet that mentions string interning, where since strings are immutable, only one instance is stored in memory and any future references to that same string can be referred to the singleton in existence. So yes, primitives are "copied as a whole value" in behavior, but it's a little bit more complicated than that if we get into implementation detail.
Is this too much? Thoughts? JavaScript.info seems to be a pretty thorough resource, so I can definitely see it including this kind of detail.
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Research direction
Start with the linked object copy lesson and review how it currently explains primitive values and string behavior. Determine whether string interning belongs in the lesson, then update the explanation only after the open discussion reaches a decision; done means the lesson accurately reflects the agreed level of implementation detail.
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Assessment
- Tech stack
- javascript
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100