diff --git a/functionInherit.js b/functionInherit.js
new file mode 100644
index 0000000..e91ecf0
--- /dev/null
+++ b/functionInherit.js
@@ -0,0 +1,29 @@
+function Animal(type, age) {
+    this.type = type;
+    this.age = age;
+
+    this.getType = function () {
+        return console.log('Animal type:' + this.type);
+    }
+    this.getAge = function () {
+        return console.log('Animal age:' + this.age);
+    }
+    this.getInfo = function () {
+        return this.getType() + ' ' + this.getAge();
+    }
+}
+function Cat(type, age, color) {
+    this.color = color;
+    Animal.apply(this, arguments);
+    this.getColor = function () {
+        return console.log('Animal color:' + this.color);
+    }
+    //Animal.call(this);
+    //this.getInfo=function(){
+    //return this.getType()+' '+this.getAge()+' '+this.getColor();
+}
+//inherits(Animal,Cat)
+// Cat.prototype.getInfo=function(){
+//return this.getType()+' '+this.getAge()+' '+this.getColor();
+var cat1 = new Cat('cat', 2, 'black');
+cat1.getInfo();
\ No newline at end of file