how to disable a select box in html code example

Example 1: howt to disable a select tag using js

document.getElementById("one").onchange = function () {
  document.getElementById("two").setAttribute("disabled", "disabled");
  if (this.value == 'car')
    document.getElementById("two").removeAttribute("disabled");
};

Example 2: html select option disabled selected

<option selected disabled>Choose Tagging</option>

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