example of inheritance in JS

1 files changed, 29 insertions, 0 deletions

diff --git a/inheritance.js b/inheritance.js
new file mode 100644
index 0000000..2fab447
--- /dev/null
+++ b/inheritance.js
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+function Person(name){
+    this.name = name;
+    this.type = 'human';
+    this.info = function() {
+        console.log("Name:", this.name, "Type:", this.type);
+    }
+}
+Person.prototype.roboinfo = function(){
+    console.log("Name:", this.name, "Type:", this.type, "Processor:", this.cpu);
+}
+
+function Robot(name){
+    Person.call(this, name) // akin of calling super, this is what allows us to inherit props
+    this.type = 'robot';
+    this.cpu = 'AMD64'
+}
+
+// Set Robot's prototype to Person's prototype
+Robot.prototype = Person.prototype;
+
+// Set constructor back to Robot
+Robot.prototype.constructor = Robot;
+
+person = new Person("Bob");
+robot = new Robot("Bender");
+
+person.info(); // Name: Bob Type: human
+robot.info();  // Name: Bender Type: robot
+robot.roboinfo();  // Name: Bender Type: robot Processor: AMD64
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