diff --git a/codewars/7kyu/argue-the-toss/koronya.js b/codewars/7kyu/argue-the-toss/koronya.js
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+++ b/codewars/7kyu/argue-the-toss/koronya.js
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+// [JS][7kyu] Argue the toss
+// argue-the-toss
+// https://www.codewars.com/kata/5758a91bbd1fdd2033000947/train/javascript
+
+function anArgument() {
+  const args = Array.from(arguments)
+  const argsLength = args.length
+  if (argsLength === 0) {
+    return `You didn't give me any arguments.`
+  }
+  if (argsLength === 1) {
+    return `You gave me 1 argument and it is "${args[0]}".`
+  }
+  const lastArg = args.pop()
+  const argsStr = args.map((arg) => `"${arg}"`).join(', ')
+  return `You gave me ${argsLength} arguments and they are ${argsStr} and "${lastArg}".`
+}
+
+anArgument('chairs', 'table', 'lamp', 'sideboard') === 'You gave me 4 arguments and they are "chairs", "table", "lamp" and "sideboard".'
+anArgument('limes', 'pickles', 'musk ox') === 'You gave me 3 arguments and they are "limes", "pickles" and "musk ox".'
+anArgument('trains', 'trains', 'trains', 'trains', 'trains', 'trains') ===
+  'You gave me 6 arguments and they are "trains", "trains", "trains", "trains", "trains" and "trains".'