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24 lines
593 B
JavaScript
24 lines
593 B
JavaScript
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function handleTextChange(event) {
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const target = event.target;
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const value = target.value;
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if (value.length == 0) {
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target.value = "-";
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} else {
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target.value = value.substr(value.length - 1);
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}
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}
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function handleTextScroll(event) {
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const target = event.target;
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const value = target.value;
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if (event.deltaY < 0) {
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target.value = "1"; // scroll up
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} else {
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target.value = "0"; // scroll down
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}
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event.preventDefault();
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}
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export function attachTypeListener(element) {
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element.addEventListener("input", handleTextChange);
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element.addEventListener("wheel", handleTextScroll);
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}
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