step-1: Error: Cannot find module
step-3: Uncaught ReferenceError: DOMElement is not defined
step-4: Uncaught ReferenceError: DOMElement is not defined
step-5: Uncaught ReferenceError: tweet is not defined
step-6: Uncaught ReferenceError: tweet is not defined
step-7: No errors, but only the Header is showing
step-1: Error: Cannot find module step-3: Uncaught ReferenceError: DOMElement is not defined step-4: Uncaught ReferenceError: DOMElement is not defined step-5: Uncaught ReferenceError: tweet is not defined step-6: Uncaught ReferenceError: tweet is not defined step-7: No errors, but only the Header is showing