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<!-- Any copyright is dedicated to the Public Domain.
<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
<title>Debugger test page</title>
</head>
<body>
<button>Click me!</button>
<input type="text" onchange="changeHandler()">
<script type="text/javascript">
"use strict";
window.addEventListener("load", function() {
function initialSetup() {
// eslint-disable-next-line no-debugger
debugger;
const button = document.querySelector("button");
button.onclick = clickHandler;
}
function clickHandler() {
window.foobar = "clickHandler";
}
function changeHandler() {
window.foobar = "changeHandler";
}
function keyupHandler() {
window.foobar = "keyupHandler";
}
const button = document.querySelector("button");
button.onclick = initialSetup;
const input = document.querySelector("input");
input.addEventListener("keyup", keyupHandler, true);
window.changeHandler = changeHandler;
}, {once: true});
</script>
</body>
</html>