Why does > 3,2,1 evaluate to 1 in Javascript

Asked Jul 19 '17 at 16:32

Active Jul 19 '17 at 16:37

Viewed 39 times

I observed the following behaviour in both Firefox Console and Node and can't think of an explanation. Can you explain why this happens? I actually expected a syntax error. Same behaviour occurs with strings or arrays.

> 3,2,1
1

> "abc", "bca", "cba"
'cba'

> [1], [2], [3]
[ 3 ]

edited Jul 19 '17 at 16:37

asked Jul 19 '17 at 16:32

sedot

6

https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Comma_Operator – Sirko Jul 19 '17 at 16:33
Thanks, I totally missed that one and the duplicate question. – sedot Jul 19 '17 at 16:36

Why does > 3,2,1 evaluate to 1 in Javascript

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