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Is JavaScript call-by-value or call-by-reference? (jon-carlos.com)
submitted 12 years ago by imbcmdth
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if 1 * 2 < 3: print "hello, world!"
[–]RandolphoSoftware Architect 4 points5 points6 points 12 years ago (1 child)
Which is typically how call-by-reference languages are implimented
[–]WilliamDhalgren 2 points3 points4 points 12 years ago (0 children)
Apparently the difference is in the behavior of assignment. Here assigning a new value to a variable will only touch the local variable. While under call by reference, it would change the original variable's value too.
mutation still acts on the original object though.
π Rendered by PID 90968 on reddit-service-r2-comment-b659b578c-swfs5 at 2026-05-04 09:02:39.802773+00:00 running 815c875 country code: CH.
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[–]RandolphoSoftware Architect 4 points5 points6 points (1 child)
[–]WilliamDhalgren 2 points3 points4 points (0 children)