disable button in html

1//disable the button
2document.getElementById(BUTTON_ID).disabled = true;
3//reable the button
4document.getElementById(BUTTON_ID).removeAttribute('disabled');

1<button type="button" disabled>This button is disabled</button>

1
2.disabled {
3  opacity: 0.6;
4  cursor: not-allowed;
5} 

1$('#Button').prop('disabled', true);

1let button = document.getElementById("btn");
2button.setAttribute("disabled","true");
3button.style.pointerEvents = "none";
4button.style.opacity = 0.5;