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hnakamur/index.html

Created August 1, 2022 05:57
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show JavaScirpt alert from window.onerror
Raw
index.html
<script>
window.onerror = () => alert("Hello, World!");
function hello(x) {
if(typeof x === 'undefined') {
alert(x.f());
}
}
hello();
</script>
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