JS Built-ins
FormDatabeginner

FormData Constructor β€” instanceof check

πŸ“– Usage Example
const fd = new FormData()
fd.append('name', 'Ana')
fd.get('name')  // β†’ 'Ana'

FormData builds a set of key-value pairs for submitting form data.

FormData Constructor

new FormData() creates an empty form data object used to build key/value pairs for form submission.

Challenge: Confirm that new FormData() is an instance of FormData.

πŸ’‘ Hints (1)
  • β€’ FormData is a Web API class available in browsers and Node.js 18+