Autofill forms for testing

autofill-forms.js

const setNativeValue = (element, value) => {
  const valueSetter = Object.getOwnPropertyDescriptor(element, 'value').set;
  const prototype = Object.getPrototypeOf(element);
  const prototypeValueSetter = Object.getOwnPropertyDescriptor(prototype, 'value').set;
  if (valueSetter && valueSetter !== prototypeValueSetter) prototypeValueSetter.call(element, value);
  else valueSetter.call(element, value);
  element.dispatchEvent(new Event('input', {bubbles: true}));
};

const setValue = (name, value) => setNativeValue(document.querySelector(`input[name="${name}"]`), `${value}`)

const id = () => {
  const d = new Date();
  return `${d.getMonth()}${d.getDay()}.${d.getHours()}${d.getMinutes()}${d.getSeconds()}`;
}

const example = () => {
  [
    ['url', `${id}.website.com`]
    ['email', `${id}@email.com`]
    ['password', 'TestThis!l33t']
  ].map(i => setValue.apply(null, i))
}