Javascript - 4

오늘은 여태까지 배운 것을 복습.

객체를 만들 수 있고, 함수를 만들 수 있다.

* 간단한 계산기를 만들어 보자. 매우 간단하다 부끄럽슴돠.

 

const calculator = {
    add: function(a,b){
        console.log(a+b);
    },
    minus: function(a,b){
        console.log(a-b);
 
    },
    times: function(a,b){
        console.log(a*b);
 
    },
    divide: function(a,b){
        console.log(a/b);
 
    },
    powerOf: function(a,b){
        console.log(a**b);
 
    },
};
 
calculator.add(4,5);
calculator.minus(5,1);
calculator.times(3,4);
calculator.divide(21,3);
calculator.powerOf(2,4);

 

// #2.11 Returns
const age = 34;
function calculateKrAge(ageOfForeigner){
    return ageOfForeigner+2;
}
 
const koAge = calculateKrAge(age);
document.write("한국식 나이는 : "+koAge+"<br>");
 
const calculator = {
    plus: function(a,b){
        return a+b;
    },
    minus: function(a,b){
        return a-b;
    },
    times: function(a,b){
        return a*b;
    },
    divide: function(a,b){
        return a/b;
    },
    powerOf: function(a,b){
        return a**b;
    },
};
 
const plusResult = calculator.plus(4,5);
document.write(plusResult+"<br>");
 
const minusResult = calculator.minus(5,1);
document.write(minusResult+"<br>");
 
const timesResult = calculator.times(3,4);
document.write(timesResult+"<br>");
 
const divideResult = calculator.divide(21,3);
document.write(divideResult+"<br>");
 
const powerOfResult = calculator.powerOf(2,4);
document.write(powerOfResult+"<br>");