modernJS/super.html at master · yfain/modernJS · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>gettersAndSetters.html</title>
</head>
<body>

<script>

   "use strict";

    class Tax{
        constructor(income){
           this.income = income;
        }

        calculateFederalTax(){
            console.log(`Calculating federal tax for income ${this.income}`);
        }

        calcMinTax(){
            console.log("In Tax. Calculating min tax");
            return 123;
        }
    }

    class NJTax extends Tax{
       constructor(income, stateTaxPercent){
           super(income);
           this.stateTaxPercent=stateTaxPercent;
       }

       calculateStateTax(){
           console.log(`Calculating state tax for income ${this.income}`);
       }

        calcMinTax(){
            super.calcMinTax();
            console.log("In NJTax. Adjusting min tax");
        }
    }

    var theTax = new NJTax(50000, 6);

    theTax.calculateFederalTax();
    theTax.calculateStateTax();

    theTax.calcMinTax();


</script>

</body>
</html>