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15 lines
440 B
JavaScript
15 lines
440 B
JavaScript
window.incrementValue = function (id) {
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let value = parseInt(document.getElementById(id).value);
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value = isNaN(value) ? 0 : value;
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value++;
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document.getElementById(id).value = value;
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};
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window.decrementValue = function (id) {
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let value = parseInt(document.getElementById(id).value);
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value = isNaN(value) ? 0 : value;
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value--;
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value = value < 0 ? 0 : value;
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document.getElementById(id).value = value;
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};
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