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Front End Web Development Techdegree Graduate 14,854 Pointsarr.charAt() vs arr[index]
What is the benefit of arr.charAt(0) instead of using arr[0]?
1 Answer
Steven Parker
231,272 PointsAt one time, the benefit was reliable broswer compatibility when not all browsers recognized the bracket syntax.
Now, they mostly do the same thing except when given unconventional arguments. For example:
'abc'[true] // undefined
'abc'.charAt(true) // 'b'
'abc'[3] // undefined
'abc'.charAt(3) // ''