HowProgrammingWorks
diff --git a/‎JavaScript/8-class.js
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+16Lines changed: 16 additions & 0 deletions b/‎JavaScript/8-class.js
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+16Lines changed: 16 additions & 0 deletions
@@ -0,0 +1,16 @@
+'use strict';
+
+class Singleton {
+  static #instance;
+
+  constructor() {
+    const instance = Singleton.#instance;
+    if (instance) return instance;
+    Singleton.#instance = this;
+  }
+}
+
+// Usage
+
+console.assert(new Singleton() === new Singleton());
+console.log('instances are equal');