Run results for: whitespace detection 2

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
loop	358503.7 Ops/sec
regex	4778591.0 Ops/sec

Script Preparation code:

function isWhitespace(s, index) {
  const ch = s[index];
  return ch === " " || ch === "\n" || ch === "\r" || ch === "\t";
}

function isWhitespaceString(s) {
  for (let i = 0, ii = s.length; i < ii; i++) {
    if (!isWhitespace(s, i)) {
      return false;
    }
  }
  return true;
}

function isWhitespaceString1(s) {
	return /\s+/.test(s);
}

var s1 = "       \t              \n\n\r\t       \n"
var s2 = "  klfdgjlfsdjgjk";

Tests:

loop
var n1 = isWhitespaceString(s1);
regex
var n2 = isWhitespaceString1(s1);

Run results for: whitespace detection 2

loop

regex