Add divmod

snippets/divmod.md

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+---
+title: divmod
+tags: math,beginner
+---
+
+Returns an array consisting of the quotient and remainder of the given numbers.
+
+- Use `Math.floor()` to get the quotient of the division `x / y`.
+- Use the modulo operator (`%`) to get the remainder of the division `x / y`.
+
+```js
+const divmod = (x, y) => [Math.floor(x / y), x % y];
+```
+
+```js
+divmod(8, 3); // [2, 2]
+divmod(3, 8); // [0, 3]
+divmod(5, 5); // [1, 0]
+```