Scripter Javascript Tutorial
javascriptmusiclogicscripterbookexcerpttutorial29 && logical
and
The && comparison requires all
comparisons to be true for it to be true. Another way to read the
&& comparison is that it will find the first
false result.
60 == 60 && 72 == 72 // true && true = true
60 == 60 && 60 == 72 // true && false = false
60 == 72 && 60 == 60 // false && true = false
60 == 72 && 60 == 59 // false && false = false