diff --git a/example/yargs.html b/example/yargs.html
index be27b702b..6b9224dde 100644
--- a/example/yargs.html
+++ b/example/yargs.html
@@ -35,7 +35,7 @@
const input = document.getElementById('input');
const output = document.getElementById('output');
input.addEventListener('keydown', event => {
- if (event.keyCode === 13) { // Enter.
+ if (event.key === "Enter" || event.code === "Enter" || event.keyCode === 13) { // Enter.
const argv = yargs.parse(input.value, (err, argv, _output) => {
if (output) {
output.value += `\n${_output}`;