23. Two Sum

Input: &lt;strong&gt;arr = [2, 7, 11, 15], target = 9&lt;/strong&gt;
Expected Output: &lt;strong&gt;[0, 1]&lt;/strong&gt; (2 + 7 = 9)

Lesson 24 of 31 in Coddy's 30 Days of Logic Building in Javascript course.

Challenge

Easy

Given an array of numbers and a target sum, find two numbers in the array that add up to the target and return their indexes!

Try it yourself

function twoSum(arr, target) {
    // write your code below 
    
}

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