Change background color of cells in a table containing boolean values

colorTable.js

/*
  Author:    Daniel Barrows
  Copyright: 2019
  License:   Public Domain
  Status:    beta
*/

function color_table( selector = '.markdown-body td' ){
  Array.from(document.querySelectorAll(selector)).forEach(function(i){
    switch(i.innerText){
      case "Y": i.style.backgroundColor = "PaleGreen";   break;
      case "P": i.style.backgroundColor = "Khaki";       break;
      case "N": i.style.backgroundColor = "LightSalmon"; break;
    }
  })
}