step9-arrow-functions.html

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    <title>Document</title>
    <script>
        /*
        let cart = {
            getCostPrice : function(){
                return 100;
            },
            getSellingPrice : function(){
                let calculateProfit = () => {
                    return this.getCostPrice() * 0.2;
                }
                return this.getCostPrice() + calculateProfit();
            }
        };
        console.log(cart.getSellingPrice());// 120
        */
        
        /*
        function init(){
            
        }
        
        var init = function(){
            
        }
        
        var init = () => {

        }
        */

       let adder = num1 => num1 + num1 ; 
        console.log(adder( 5,6 ));// 11
    </script>
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<body>
    
</body>
</html>