flatten()

Author: PaulNoth

Diff for: README.md

@@ -22,3 +22,4 @@ My Codewars solutions in various languages.
  - [Arguments to Binary addition (8 kyu)](https://www.codewars.com/kata/arguments-to-binary-addition) [[solution](https://github.com/PaulNoth/codewars/blob/master/arguments-to-binary-addition/solution.md)] [[javascript](https://github.com/PaulNoth/codewars/blob/master/arguments-to-binary-addition/kata.js)]  
  - [Mr. Freeze (8 kyu)](https://www.codewars.com/kata/mr-freeze) [[solution](https://github.com/PaulNoth/codewars/blob/master/mr-freeze/solution.md)] [[javascript](https://github.com/PaulNoth/codewars/blob/master/mr-freeze/kata.js)]  
  - [RGB To Hex Conversion (5 kyu)](https://www.codewars.com/kata/rgb-to-hex-conversion) [[solution](https://github.com/PaulNoth/codewars/blob/master/rgb-to-hex-conversion/solution.md)] [[javascript](https://github.com/PaulNoth/codewars/blob/master/rgb-to-hex-conversion/kata.js)]  
+ - [flatten (5 kyu)](https://www.codewars.com/kata/flatten) [[solution](https://github.com/PaulNoth/codewars/blob/master/flatten/solution.md)] [[javascript](https://github.com/PaulNoth/flatten/blob/master/rgb-to-hex-conversion/kata.js)]  

Diff for: flatten/kata.js

@@ -0,0 +1,14 @@
+function flatten() {
+  let elements = [];
+  const args = [...arguments];
+
+  for(let i = 0; i < args.length; i++) {
+    const arg = args[i];
+    if(arg && arg.constructor === Array) {
+      elements = elements.concat(flatten(...arg));
+    } else {
+      elements.push(arg);
+    }
+  }
+  return elements;
+}

Diff for: flatten/solution.md

@@ -0,0 +1,3 @@
+### flatten()
+
+Loot at the solution.