Run results for: if for loop speed test v2

Test name	Executions per second
one for loop and one if statement	42.8 Ops/sec
one for loop and manipulating value of index	42.8 Ops/sec
no if checks just many for loops	43.1 Ops/sec

one for loop and one if statement

function allcharsIndex(n = 0, limit = 65520) {
  if (typeof n !== "number") {
    // eslint-disable-next-line no-throw-literal
    throw "parameter 1 is not of type number";
  }

  if (typeof limit !== "number") {
    // eslint-disable-next-line no-throw-literal
    throw "parameter 2 is not of type number";
  }

  if (limit > 65520) limit = 65520;

  function getCh(eye) {
    let cnt = 0;
    let char = String.fromCharCode(eye);
    let cg = char;
    while (cnt++ < n) {
      char = `${char}${cg}`;
    }
    return char;
  }

  let characters = [getCh(32), getCh(33)];

  for (let i = 35; i < 65520; i++) {
    if (characters.length >= limit) return [...characters];

    if (
      i === 92 ||
      i === 127 ||
      i === 128 ||
      i === 129 ||
      i === 130 ||
      i === 131 ||
      i === 132 ||
      i === 133 ||
      i === 134 ||
      i === 135 ||
      i === 136 ||
      i === 137 ||
      i === 138 ||
      i === 139 ||
      i === 140 ||
      i === 141 ||
      i === 142 ||
      i === 143 ||
      i === 144 ||
      i === 145 ||
      i === 146 ||
      i === 147 ||
      i === 148 ||
      i === 149 ||
      i === 150 ||
      i === 151 ||
      i === 152 ||
      i === 153 ||
      i === 154 ||
      i === 155 ||
      i === 156 ||
      i === 157 ||
      i === 158 ||
      i === 159 ||
      i === 173 ||
      i === 1536 ||
      i === 1537 ||
      i === 1538 ||
      i === 1539 ||
      i === 1540 ||
      i === 1807 ||
      i === 6068 ||
      i === 6069 ||
      i === 8204 ||
      i === 8205 ||
      i === 8206 ||
      i === 8207 ||
      i === 8232 ||
      i === 8233 ||
      i === 8234 ||
      i === 8235 ||
      i === 8236 ||
      i === 8237 ||
      i === 8238 ||
      i === 8239 ||
      i === 8288 ||
      i === 8289 ||
      i === 8290 ||
      i === 8291 ||
      i === 8292 ||
      i === 8293 ||
      i === 8294 ||
      i === 8295 ||
      i === 8296 ||
      i === 8297 ||
      i === 8298 ||
      i === 8299 ||
      i === 8300 ||
      i === 8301 ||
      i === 8302 ||
      i === 8303 ||
      i === 65279
    )
      continue;

    characters.push(getCh(i));
  }
  return [...characters];
}
allcharsIndex();

one for loop and manipulating value of index

function allcharsIndex(n = 0, limit = 65520) {
  if (typeof n !== "number") {
    // eslint-disable-next-line no-throw-literal
    throw "parameter 1 is not of type number";
  }

  if (typeof limit !== "number") {
    // eslint-disable-next-line no-throw-literal
    throw "parameter 2 is not of type number";
  }

  if (limit > 65520) limit = 65520;

  function getCh(eye) {
    let cnt = 0;
    let char = String.fromCharCode(eye);
    let cg = char;
    while (cnt++ < n) {
      char = `${char}${cg}`;
    }
    return char;
  }

  let characters = [getCh(32), getCh(33)];

  for (let i = 35; i < 65520; i++) {
    if (characters.length >= limit) return [...characters];
    if (i === 127) {
      i = 159;
      continue;
    }

    if (i === 1536) {
      i = 1540;
      continue;
    }

    if (i === 8204) {
      i = 8207;
      continue;
    }
    if (i === 8232) {
      i = 8239;
      continue;
    }

    if (i === 8288) {
      i = 8303;
      continue;
    }

    if (i === 8288) {
      i = 8303;
      continue;
    }

    if (
      i === 92 ||
      i === 173 ||
      i === 1807 ||
      i === 6068 ||
      i === 6069 ||
      i === 65279
    )
      continue;

    characters.push(getCh(i));
  }
  return [...characters];
}
allcharsIndex();

no if checks just many for loops

function allcharsIndex(n = 0, limit = 65520) {
  if (typeof n !== "number") {
    // eslint-disable-next-line no-throw-literal
    throw "parameter 1 is not of type number";
  }

  if (typeof limit !== "number") {
    // eslint-disable-next-line no-throw-literal
    throw "parameter 2 is not of type number";
  }

  if (limit > 65520) limit = 65520;

  function getCh(eye) {
    let cnt = 0;
    let char = String.fromCharCode(eye);
    let cg = char;
    while (cnt++ < n) {
      char = `${char}${cg}`;
    }
    return char;
  }

  let characters = [getCh(32), getCh(33)];

  for (let i = 35; i < 92; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 93; i < 127; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 160; i < 173; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 174; i < 1536; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 1541; i < 1807; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 1808; i < 6068; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 6070; i < 8204; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 8208; i < 8232; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 8240; i < 8288; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 8304; i < 65279; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  for (let i = 65280; i < 65520; i++) {
    if (characters.length >= limit) return [...characters];
    characters.push(getCh(i));
  }

  return [...characters];
}

allcharsIndex();

Run results for: if for loop speed test v2

testing for loop stuff

one for loop and one if statement

one for loop and manipulating value of index

no if checks just many for loops