js-add-with-exception

/*

Sources:

https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Statements/throw

*/

function OutOfRangeException(functionName, paramName, value) {

this.message = 'Function "' + arguments.callee.name + '" with parameter "' + paramName + '" and value ' + value + '"' + ' is out of range. Only values x with -100 <= x <= 1000 are allowed.';

this.name = 'OutOfRangeException';

}

function add(param1, param2) {

if( (-100 <= param1) && (param1 <= 1000) ) {

if( (-100 <= param2) && (param2 <= 1000) ) {

return param1+param2;

} else {

throw new OutOfRangeException('add', 'param2', param2);

}

} else {

throw new OutOfRangeException('add', 'param1', param1);

}

}

try {

console.log(add(-10, 10000));

} catch(e) {

console.log('Error:');

console.log(e);

}