Could someone tell me why:
alert(["a","b","c","d","e"][[1,2],3,4])
outputs e in JavaScript?
Could someone tell me why: alert([a,b,c,d,e][[1,2],3,4]) outputs e in JavaScript?
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Could someone tell me why:
alert(["a","b","c","d","e"][[1,2],3,4])
outputs e in JavaScript?
Because comma is an operator that executes all of the separated instructions (in fact: two instructions, each of which can also use a comma operator) and returns the results of the last one. I.e.: