6kyu(js): add «The 5 Love Languages»

Signed-off-by: Matej Focko <me@mfocko.xyz>

6kyu/the_5_love_languages/solution.js

@@ -0,0 +1,31 @@
+function loveLanguage(partner, weeks) {
+  const options = ["words", "acts", "gifts", "time", "touch"];
+  const tries = 7 * weeks;
+  
+  let counters = {
+    "words": 0,
+    "acts": 0,
+    "gifts": 0,
+    "time": 0,
+    "touch": 0,
+  };
+  
+  for (let i = 0; i < tries; ++i) {
+    const choice = options[i % options.length];
+    
+    if (partner.response(choice) == "positive") {
+      counters[choice]++;
+    }
+  }
+  
+  let best = 0;
+  let bestChoice = null;
+  for (let choice of options) {
+    if (counters[choice] > best) {
+      best = counters[choice];
+      bestChoice = choice;
+    }
+  }
+  
+  return bestChoice;
+}

README.md

@@ -205,6 +205,7 @@
 - [Halloween: trick or treat!](https://www.codewars.com/kata/581302bbbee85709d00002ae) - [solution](6kyu/halloween_trick_or_treat)
 - [Build Tower Advanced](https://www.codewars.com/kata/57675f3dedc6f728ee000256) - [solution](6kyu/build_tower_advanced)
 - [Evil Autocorrect Prank](https://www.codewars.com/kata/538ae2eb7a4ba8c99b000439) - [solution](6kyu/evil_autocorrect_prank)
+- [The 5 Love Languages](https://www.codewars.com/kata/5aa7a581fd8c06b552000177) - [solution](6kyu/the_5_love_languages)
 
 ### Java