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

Don't forget about switch statements:

• Ensure handling with default.
• instanceof can match on superclass.
• ES6 constructor will match on the exact class.
• Easier to read.

function handleError() {
    try {
        throw new RangeError();
    }
    catch (e) {
        switch (e.constructor) {
            case Error:      return console.log('generic');
            case RangeError: return console.log('range');
            default:         return console.log('unknown');
        }
    }
}

handleError();