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Walgreens Front End Web Developer Interview Question

I interviewed in Deerfield, IL and was asked:
"Why does Javascript have two ways of getting HTML elements for example one way is to use getElementByID and another is document.[element].[value]"
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Part of a Front End Web Developer Interview Review - one of 815 Walgreens Interview Reviews

Answers & Comments

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getElementByID is just a DOM method that provides a shortcut to get to the element its ID attribut. The same element is still located in the DOM tree and can be accessed if we know his full path. There are more than 2 ways: by class name by tag name etc...
- CheckThisResume.com on Apr 14, 2012

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