// This is the DIV you'd like to disable
// Use the CSS selector to pin dow nthe exact DIV
var div = document.querySelector('div');
// Choose either 1, 2 or 3
// (1) Sets the disabled attribute
div.setAttribute('disabled', true);
// (2) Makes the DIV half transparent
// And changes the cursor to a "not allowed" symbol
div.style.opacity = '0.5';
div.style.cursor = 'not-allowed';
// (3) Delete the DIV
div.remove();