message in error object code example

Example 1: js errors

JS Errors
try
Lets you define a block of code to test for errors
catch
Set up a block of code to execute in case of an error
throw
Create custom error messages instead of the standard JavaScript errors
finally
Lets you execute code, after try and catch, regardless of the result

Example 2: javascript throw new error

throw new Error("Error message here"); // Uncaught Error: Error message here