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sym3tri/JavaScript ORvsANDvsCOMMA.txt

Last active January 10, 2019 09:16
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How AND, OR, and COMMA operators are evaluated in JavaScript
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JavaScript ORvsANDvsCOMMA.txt
//(LHE: left hand expression, RHE right hand expression)
LHE && RHE
1. Always evaluate LHE
2. If LHE is true, evaluate RHE
LHE || RHE
1. Always evaluate LHE
2. If LHE is false, evaluate RHE
LHE, RHE
1. Always evaluate LHE
2. Always evaluate RHE
credit: http://javascriptweblog.wordpress.com/2011/04/04/the-javascript-comma-operator/
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