JAVASCRIPT

ternary

isMember ? '$2.00' : '$10.00'
// isMember true =>  output: "$2.00"

// isMember false =>  output: "$10.00"

// isMember null =>  output: "$10.00"

ternary

let greeting = ( isBirthday ) ? 'Happy birthday Mrs. Smith — we hope you have a great day!' : 'Good morning Mrs. Smith.';

ternary

;var eatsPlants = false
;var eatsAnimals = true
;var category = eatsPlants? (eatsAnimals? "omnivore" : "herbivore" ) : (eatsAnimals? "carnivore" : "undefined")

;console.log(category)