Proper use of errors

Question

I\'m using TypeScript for a reasonably large project, and am wondering what the standard is for the use of Errors. For example, say I hand an index out of bounds ex

Answer 1

The convention for out of range in JavaScript is using RangeError. To check the type use if / else + instanceof starting at the most specific to the most generic

try {
    throw new RangeError();
}
catch (e){
    if (e instanceof RangeError){
        console.log('out of range');
    } else { 
        throw; 
    }
}