100-Days-Of-Code

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Day 1

indexOf()

Learned from: Codewars
Lang: JavaScript
Purpose: Finds the index/position of definted item(s) from an array
Example use:

function findNeedle(haystack) {
  return "found the needle at position " + haystack.indexOf("needle");
}
//or
const findNeedle = haystack => `found the needle at position ${haystack.indexOf('needle')}`;