MaxInterview - js eventlistener to add and remove stylings

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1const form = document.querySelector('form');
2const fname = document.getElementById('fname');
3const lname = document.getElementById('lname');
4const para = document.querySelector('p');
5
6form.onsubmit = function(e) {
7  if (fname.value === '' || lname.value === '') {
8    e.preventDefault();
9    para.textContent = 'You need to fill in both names!';
10  }
11}

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