Page 186 - Computer Software Application TP - Volume 1
P. 186
COMPUTER SOFTWARE APPLICATION - CITS
TASK 3: Error Handling using try-catch-finally
1 Open the text editor
2 Write the following codes
<html >
<head>
<title> Object Literal Notation </title>
</head>
<body>
<script>
try {
// Code that may throw an error
let x = 1;
let y = x + z; // ReferenceError: z is not defined
console.log(“This line will not be executed if an error occurs.”);
}
catch (error)
{
// Handle the error
console.error(“An error occurred:”, error.message); // Output: An error occurred: z is not defined
}
finally
{
// Code that runs regardless of whether an error occurred or not
console.log(“This line will always be executed.”);
}
</script>
</body>
</html>
3 Save the program as a .html file
4 Open the html file with a web browser
5 Go to the browsers console tab and verify the output.
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CITS : IT & ITES - Computer Software Application - Exercise 45
