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How to write a global error handler in JavaScript?
The following global error handler will show how to catch unhandled exception −
Example
<!DOCTYPE html>
<html>
<body>
<script>
window.onerror = function(errMsg, url, line, column, error) {
var result = !column ? '' : '
column: ' + column;
result += !error;
document.write("Error= " + errMsg + "
url= " + url + "
line= " + line + result);
var suppressErrorAlert = true;
return suppressErrorAlert;
};
setTimeout(function() {
eval("{");
}, 500)
</script>
</body>
</html>
Updated on: 16-Jun-2020
2K+ Views
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