11 lines
264 B
JavaScript
11 lines
264 B
JavaScript
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function Accumulator(startingValue){
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this.value = startingValue;
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this.read = function(){
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new_value = +prompt("value?", 0);
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this.value += new_value;
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}
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}
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let accumulator = new Accumulator(1);
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accumulator.read();
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alert(accumulator.value);
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