isNaN
const element = document.getElementById(‘myBtn’);
element.addEventListener(‘click’, myFunction);
function myFunction() { const nan = document.getElementById(‘is-nan’).value; document.getElementById(‘nan-result’).innerHTML = isNaN(nan)
function myFunction() { const nan = document.getElementById(‘is-nan’).value; document.getElementById(‘nan-result’).innerHTML = isNaN(nan)
isNaN method returns true if a value is Not-a-Numner
Insightful information on drilling fluids and their applications with well bore stability.