D3 Examples - // source https://jsbin.com

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
​
<script id="jsbin-javascript">
function Hero(name, level){
  this.name = name;
  this.level = level;
}
​
Hero.prototype.greet = function(){
  console.log(this.name);
}
​
function Warrior(name,level,weapon){
  Hero.call(this, name, level);
  this.weapon = weapon;
}
​
Warrior.prototype = Object.create(Hero.prototype);
​
Hero.prototype.attack = function(){
  console.log(this.name + ' with ' + this.weapon);
}
​
​
console.log(Warrior.prototype);
​
​
var batman = new Warrior('sam','me','trishool');
batman.greet();
batman.attack();
</script>
​
​
​
<script id="jsbin-source-javascript" type="text/javascript">function Hero(name, level){
  this.name = name;
  this.level = level;
}
​
Hero.prototype.greet = function(){
  console.log(this.name);
}
​
function Warrior(name,level,weapon){
  Hero.call(this, name, level);
  this.weapon = weapon;
}
​
Warrior.prototype = Object.create(Hero.prototype);
​
Hero.prototype.attack = function(){
  console.log(this.name + ' with ' + this.weapon);
}
​
​
console.log(Warrior.prototype);
​
​
var batman = new Warrior('sam','me','trishool');
batman.greet();
batman.attack();</script></body>
</html>
    