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JavaScript Lingo: Finding and Indexing Data in Arrays

19,091 views 190 likes 2015-08-23 1:01 Watch on YouTube ↗ freeCodeCamp ↗
Web DevelopmentFrontendJavaScriptArrays

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How to accurately find the index of an entry in an array There are many reasons you might need to access a certain piece of data from within a larger set, and you do that by referencing it's index. We won't get into syntax now, but you should know that the first thing in an array is actually index 0. This goes for strings and objects, too. All of these indices start at 0, so if you're looking asking the code to find indexArr[2], you're really going to get the third piece of information in that array. ❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp

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