new exception javascript code example

Example 1: js throw error

throw new Error('Whoops!')

Example 2: javascript how to raise the error

if (..condition..) {
    throw 'Error message';
  }

Example 3: javascript throw new error

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

Example 4: js errors

JS Error Name Values:
name
Sets or returns the error name
message
Sets or returns an error message in string from
EvalError
An error has occurred in the eval() function
RangeError
A number is “out of range”
ReferenceError
An illegal reference has occurred
SyntaxError
A syntax error has occurred
TypeError
A type error has occurred
URIError
An encodeURI() error has occurred