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