how to disable button in html code example

Example 1: javascript disable button

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

Example 2: html button disabled

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

Example 3: button disabled

.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

Example 4: enable html button

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