[JavaScript] 数字しか入力できないInputを実装する方法let input = document.querySelector(".numeric-input"); // disable event function const disableEvent = (e) => { e.preventDefault(); e.stopPropagation(); }; // disable paste input.addEventListener("paste", disableEvent); // disable drag&drop input.addEventListener("drop", disableEvent); // remove string input.addEventListener("keyup", function (e) { let tmp = []; this.value.split("").forEach(function
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