Javascript AND operator within assignment

Question

I know that in JavaScript you can do:

var oneOrTheOther = someOtherVar || \"these are not the droids you are looking for...\";

where the va

Answer 1

Quoting Douglas Crockford¹:

The && operator produces the value of its first operand if the first operand is falsy. Otherwise it produces the value of the second operand.

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¹ Douglas Crockford: JavaScript: The Good Parts - Page 16