Update 2021

On addition to standard message property, JavaScript now supports adding specific cause of the error as a optional param to the Error constructor:

const error1 = new Error('Error one');
const error2 = new Error('Error two', { cause: error1 });
// error2.cause === error1

• Available in Node v16.9.0.
• Available in Chrome, Firefox & Safari (see browser compatibility for versions)

On addition to standard message property, JavaScript now supports adding specific cause of the error as a optional param to the Error constructor:

const error1 = new Error('Error one');
const error2 = new Error('Error two', { cause: error1 });
// error2.cause === error1

• Available in Node v16.9.0.
• Available in Chrome, Firefox & Safari (see browser compatibility for versions)

Update 2021

JavaScript now supports adding specific cause of the error as a optional param to the Error constructor:

const error1 = new Error('Error one');
const error2 = new Error('Error two', { cause: error1 });
// error2.cause === error1

• Available in Node v16.9.0.
• Available in Chrome, Firefox & Safari (see browser compatibility for versions)

Update 2021

On addition to standard message property, JavaScript now supports adding specific cause of the error as a optional param to the Error constructor:

const error1 = new Error('Error one');
const error2 = new Error('Error two', { cause: error1 });
// error2.cause === error1

• Available in Node v16.9.0.
• Available in Chrome, Firefox & Safari (see browser compatibility for versions)