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How to handle global error correct
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<title>Title</title> | |
<script type="text/javascript"> | |
let element | |
console.log(`Registering window error`) | |
window.onerror = (a,b,c,d,e) => { | |
console.error('hi') | |
} | |
setInterval(() => { | |
fail() | |
}, 1000) | |
window.addEventListener('error', (event) => { | |
event.preventDefault() | |
if (event.error) { | |
element.textContent = event.error.stack | |
} else { | |
element.textContent = event.message | |
} | |
console.log(`Got error`, event) | |
// console.error(event.error) | |
}) | |
console.log(`Binding loaded event`) | |
document.addEventListener('DOMContentLoaded', () => { | |
console.log(`Document loaded`) | |
element = document.querySelector('.container') | |
element.addEventListener('click', () => { | |
fail() | |
}) | |
}) | |
function fail() { | |
throw new Error('It is a feature, not an issue.') | |
} | |
</script> | |
<style> | |
html, | |
body { | |
height: 100%; | |
margin: 0; | |
display: grid; | |
} | |
.container { | |
padding: 0; | |
background-color: #FFDC00; | |
display: grid; | |
grid-template-columns: auto; | |
grid-template-rows: auto; | |
} | |
.item { | |
border: 5px solid #001f3f; | |
background: #0074D9; | |
width: 50px; | |
height: 50px; | |
} | |
</style> | |
</head> | |
<body> | |
<div class="container"> | |
</div> | |
</body> | |
</html> |
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