renovations

1-js/5-functions-closures/4-closures-usage/3-stringbuffer-with-clear/solution.md

@@ -0,0 +1,34 @@
+
+
+```js
+//+ run
+function makeBuffer() {
+  var text = ''; 
+    
+  function buffer(piece) {
+    if (arguments.length == 0) { // вызов без аргументов
+      return text;
+    }
+    text += piece; 
+  };
+
+  buffer.clear = function() {
+    text = "";
+  }
+
+  return buffer;
+};
+
+var buffer = makeBuffer();
+
+buffer("Тест");
+buffer(" тебя не съест ");
+alert( buffer() ); // Тест тебя не съест
+
+*!*
+buffer.clear();
+*/!*
+
+alert( buffer() ); // ""
+```
+