As a general rule of Thumbs, Alwayys use dot notation excepts following two cases:
animalsList[animal]
person.birth-year
person['birth-year']
Thanks for pointing it out, Ashish.
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As a general rule of Thumbs, Alwayys use dot notation excepts following two cases:
animalsList[animal], where key is variable.person.birth-yearwill give an error, hence we will have to useperson['birth-year']Thanks for pointing it out, Ashish.