Find number of unsupported SRFIs for each scheme on this page (https://docs.scheme.org/srfi/support/)

find-unsupported-srfis.js

/*
 * As of the last run (3rd Sep, 2023),
 * STKlos and Gauche have implemented more SRFIs than others.
 * STKlos supports (245 total - 123 unsupported = 122) SRFIs.
 * Gauche supports (245 total - 124 unsupported = 121) SRFIs.
 */

/* No `let` or `const` in order to be able to paste into the browser console repeatedly. */

SchemeColumn = {
  chez: 3,
  chibi: 4,
  chicken: 5 ,
  gambit: 6,
  gauche: 7,
  gerbil: 8,
  guile: 9,
  larceny: 12,
  mit: 14,
  racket: 15,
  stklos: 18,
}

UnsupportedSrfis = {
  chez: 0,
  chibi: 0,
  chicken: 0,
  gambit: 0,
  gauche: 0,
  gerbil: 0,
  guile: 0,
  larceny: 0,
  mit: 0,
  racket: 0,
  stklos: 0,
}

tbody = document.querySelector('table.main > tbody');
rows = tbody.querySelectorAll('tr');

query = scheme => `:nth-child(${scheme}).no`;

rows.forEach(rw => {
  let chez = rw.querySelector(query(SchemeColumn.chez));
  if(chez) UnsupportedSrfis.chez++;

  let chibi = rw.querySelector(query(SchemeColumn.chibi));
  if(chibi) UnsupportedSrfis.chibi++;

  let chicken = rw.querySelector(query(SchemeColumn.chicken));
  if(chicken) UnsupportedSrfis.chicken++;

  let gambit = rw.querySelector(query(SchemeColumn.gambit));
  if(gambit) UnsupportedSrfis.gambit++;

  let gauche = rw.querySelector(query(SchemeColumn.gauche));
  if(gauche) UnsupportedSrfis.gauche++;

  let gerbil = rw.querySelector(query(SchemeColumn.gerbil));
  if(gerbil) UnsupportedSrfis.gerbil++;

  let guile = rw.querySelector(query(SchemeColumn.guile));
  if(guile) UnsupportedSrfis.guile++;

  let larceny = rw.querySelector(query(SchemeColumn.larceny));
  if(larceny) UnsupportedSrfis.larceny++;

  let mit = rw.querySelector(query(SchemeColumn.mit));
  if(mit) UnsupportedSrfis.mit++;

  let racket = rw.querySelector(query(SchemeColumn.racket));
  if(racket) UnsupportedSrfis.racket++;

  let stklos = rw.querySelector(query(SchemeColumn.stklos));
  if(stklos) UnsupportedSrfis.stklos++;
});