import * as wasm from "wasm"; let wasmForm = document.getElementById("wasmForm"); wasmForm.addEventListener("submit", (e) => { e.preventDefault(); let message = document.getElementById("message"); let result = ""; if (message.value) { result = wasm.sign(message.value); message.value = ""; document.getElementById("wasm-canvas").innerHTML = result; } else { alert("Please enter a non-empty message"); } });