fix naming

snippets/object-from-pairs.md

@@ -0,0 +1,8 @@
+### Object from key-value pairs
+
+Use `Array.reduce()` to create and combine key-value pairs.
+
+```js
+const objectFromPairs = arr => arr.reduce((a, v) => (a[v[0]] = v[1], a), {});
+// objectFromPairs([['a',1],['b',2]]) -> {a: 1, b: 2}
+```