From 65ec33638e0262e1920c7c49efdd966c577f1e6b Mon Sep 17 00:00:00 2001
From: Saqib Saghir <saqib.saghir@grano.fi>
Date: Mon, 15 Oct 2018 11:53:12 +0300
Subject: [PATCH] add snippet

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 snippets_archive/squareSum.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
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+### squareSum
+
+Squares each number passed into it and then sums the results together.
+
+Use `Array.prototype.reduce()` to iterate over numbers and to declare an accumulater.
+Use `Math.pow()` to calculate power of each number and add all numbers into acculmulator.
+
+```js
+const squareSum = (arr) => arr.reduce((squareSum, number) =>
+	squareSum + Math.pow(number, 2), 0);
+```
+
+```js
+squareSum([1, 2, 2]); // 9
+```
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