23 lines
1.1 KiB
JavaScript
23 lines
1.1 KiB
JavaScript
(() => {
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document.addEventListener("DOMContentLoaded", () => {
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// get all customnumberinput Elements
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let customNumberInputElements = document.getElementsByClassName("customnumberinput");
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// Add Event Handler to the elements of the customnumberinputs
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[...customNumberInputElements].forEach(element => {
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// number input
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let numberFieldElement = element.getElementsByClassName("customnumberinput-field")[0];
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// minus button
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element.getElementsByClassName("customnumberinput-minus")[0].addEventListener("click", () => alterCustomNumberField(numberFieldElement, -1));
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// plus button
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element.getElementsByClassName("customnumberinput-plus")[0].addEventListener("click", () => alterCustomNumberField(numberFieldElement, +1));
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})
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})
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function alterCustomNumberField(numberFieldElement, n) {
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numberFieldElement.value = Math.min(
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Math.max(
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(parseInt(numberFieldElement.value) + n), numberFieldElement.min || Number.MIN_VALUE
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),
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numberFieldElement.max || Number.MAX_VALUE
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);
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}
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})();
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