guimeisang/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
<meta name="description" content="[add your bin description]">
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Calculator</title>
</head>
<body>
<script id="jsbin-javascript">
/*

  请实现一个加减乘除的计算器，如下调用方式：

  new Calculator(10).add(2).add(3).multiply(3).multiply(1).print(); // 打印 45

*/

"use strict";

var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var Calculator = (function () {
  function Calculator(initNum) {
    _classCallCheck(this, Calculator);

    this.result = initNum || 0;
  }

  _createClass(Calculator, [{
    key: "add",
    value: function add(num) {
      this.result += num;
      return this;
    }
  }, {
    key: "reduce",
    value: function reduce(num) {
      this.result -= num;
      return this;
    }
  }, {
    key: "multiply",
    value: function multiply(num) {
      this.result *= num;
      return this;
    }
  }, {
    key: "divide",
    value: function divide(num) {
      this.result /= num;
      return this;
    }
  }, {
    key: "print",
    value: function print() {
      console.log(this.result);
      return this;
    }
  }]);

  return Calculator;
})();

new Calculator(10).add(2).add(3).multiply(3).multiply(1).print();
</script>


<script id="jsbin-source-javascript" type="text/javascript">/*

  请实现一个加减乘除的计算器，如下调用方式：

  new Calculator(10).add(2).add(3).multiply(3).multiply(1).print(); // 打印 45

*/

class Calculator{
  constructor(initNum){
    this.result = initNum || 0;
  }

  add(num){
    this.result += num;
    return this;
  }

  reduce(num){
    this.result -= num;
    return this;
  }

  multiply(num){
    this.result *= num;
    return this;
  }

  divide(num){
    this.result /= num;
    return this;
  }

  print(){
    console.log(this.result);
    return this;
  }
}

new Calculator(10).add(2).add(3).multiply(3).multiply(1).print();

</script></body>
</html>

## jsbin.wituqen.js
/*

  请实现一个加减乘除的计算器，如下调用方式：

  new Calculator(10).add(2).add(3).multiply(3).multiply(1).print(); // 打印 45

*/

"use strict";

var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

var Calculator = (function () {
  function Calculator(initNum) {
    _classCallCheck(this, Calculator);

    this.result = initNum || 0;
  }

  _createClass(Calculator, [{
    key: "add",
    value: function add(num) {
      this.result += num;
      return this;
    }
  }, {
    key: "reduce",
    value: function reduce(num) {
      this.result -= num;
      return this;
    }
  }, {
    key: "multiply",
    value: function multiply(num) {
      this.result *= num;
      return this;
    }
  }, {
    key: "divide",
    value: function divide(num) {
      this.result /= num;
      return this;
    }
  }, {
    key: "print",
    value: function print() {
      console.log(this.result);
      return this;
    }
  }]);

  return Calculator;
})();

new Calculator(10).add(2).add(3).multiply(3).multiply(1).print();
	<!DOCTYPE html>
	<html>
	<head>
	<meta name="description" content="[add your bin description]">
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width">
	<title>Calculator</title>
	</head>
	<body>
	<script id="jsbin-javascript">
	/*

	请实现一个加减乘除的计算器，如下调用方式：

	new Calculator(10).add(2).add(3).multiply(3).multiply(1).print(); // 打印 45

	*/

	"use strict";

	var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable \|\| false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

	function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

	var Calculator = (function () {
	function Calculator(initNum) {
	_classCallCheck(this, Calculator);

	this.result = initNum \|\| 0;
	}

	_createClass(Calculator, [{
	key: "add",
	value: function add(num) {
	this.result += num;
	return this;
	}
	}, {
	key: "reduce",
	value: function reduce(num) {
	this.result -= num;
	return this;
	}
	}, {
	key: "multiply",
	value: function multiply(num) {
	this.result *= num;
	return this;
	}
	}, {
	key: "divide",
	value: function divide(num) {
	this.result /= num;
	return this;
	}
	}, {
	key: "print",
	value: function print() {
	console.log(this.result);
	return this;
	}
	}]);

	return Calculator;
	})();

	new Calculator(10).add(2).add(3).multiply(3).multiply(1).print();
	</script>



	<script id="jsbin-source-javascript" type="text/javascript">/*

	请实现一个加减乘除的计算器，如下调用方式：

	new Calculator(10).add(2).add(3).multiply(3).multiply(1).print(); // 打印 45

	*/

	class Calculator{
	constructor(initNum){
	this.result = initNum \|\| 0;
	}

	add(num){
	this.result += num;
	return this;
	}

	reduce(num){
	this.result -= num;
	return this;
	}

	multiply(num){
	this.result *= num;
	return this;
	}

	divide(num){
	this.result /= num;
	return this;
	}

	print(){
	console.log(this.result);
	return this;
	}
	}

	new Calculator(10).add(2).add(3).multiply(3).multiply(1).print();

	</script></body>
	</html>