javascript-learner/4.4this/t1.js

18 lines
327 B
JavaScript

let calculator={
a: 0,
b: 0,
read(){
this.a = prompt("please type a");
this.b = prompt("please type b");
},
sum(){
return Number(this.a) + Number(this.b);
},
mul(){
return this.a * this.b;
}
};
calculator.read();
alert(calculator.sum());
alert(calculator.mul());