diff --git a/challenges/sort-array-alphabet/README.md b/challenges/sort-array-alphabet/README.md
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+# sort-array-alphabet
+
+Created by [@Divlo](https://github.com/Divlo) at 7 July 2020.
+
+## Instructions :
+
+Write a function that should sort the strings of an array in alphabetical order.
+
+## Examples :
+
+See the `input-output.json` file for examples of input/output.
diff --git a/challenges/sort-array-alphabet/input-output.json b/challenges/sort-array-alphabet/input-output.json
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+[
+  {
+    "input": [["JavaScript", "Apple", "Hello", "Car", "Orange", "Ice scream"]],
+    "output": ["Apple", "Car", "Hello", "Ice scream", "JavaScript", "Orange"]
+  }
+]
diff --git a/challenges/sort-array-alphabet/solutions/.gitkeep b/challenges/sort-array-alphabet/solutions/.gitkeep
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diff --git a/challenges/sort-array-alphabet/solutions/typescript-easy-sort/README.md b/challenges/sort-array-alphabet/solutions/typescript-easy-sort/README.md
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+# typescript-easy-sort - sort-array-alphabet
+
+Programming language : TypeScript
+Created by [@Divlo](https://github.com/Divlo) at 7 July 2020.
diff --git a/challenges/sort-array-alphabet/solutions/typescript-easy-sort/solution.ts b/challenges/sort-array-alphabet/solutions/typescript-easy-sort/solution.ts
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+function solution (stringsArray: string[]) {
+  return stringsArray.sort((a, b) => a.localeCompare(b))
+}
+
+export default solution
diff --git a/challenges/sort-array-number/solutions/javascript-easy-sort/README.md b/challenges/sort-array-number/solutions/javascript-easy-sort/README.md
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+# javascript-easy-sort - sort-array-number
+
+Programming language : JavaScript
+Created by [@Divlo](https://github.com/Divlo) at 7 July 2020.
diff --git a/challenges/sort-array-number/solutions/javascript-easy-sort/solution.js b/challenges/sort-array-number/solutions/javascript-easy-sort/solution.js
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+function solution (numbers) {
+  return numbers.sort((a, b) => a - b)
+}
+
+module.exports = solution