Indexof Array Of Objects

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Indexof Array Of Objects

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IndexOf Array In Array 6 Kyu Codewars Javascript YouTube

Dec 21 2011 nbsp 0183 32 I am learning Javascript and don t understand why the indexOf below returns 1 var string quot The quick brown fox jumps over the lazy dog quot console log string indexOf quot good quot Dec 20, 2017  · The use of -1 is because the indexOf operation will return -1 in the event the searched for value does not exist in the array. As for why they use != -1 in one place and > -1 in …

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Indexof Array Of ObjectsFeb 27, 2015  · From what I understand in your wording, I think that you think that indexOf is used to check if a certain element exists in an array. That is just a "side-effect" of indexOf but its … It just uses the Python function array index and with a simple Try Except it returns the position of the record if it is found in the list and returns 1 if it is not found in the list like in JavaScript

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