Leading character test

Benchmark created on


Setup

const data = 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Test runner

Ready to run.

Testing in
TestOps/sec
Array includes
let count = 0;
for (let i = 0; i < data.length; i++) {
  if (['=', '+', '-', '@', '\t', '\r'].includes(data[i][0])) {
    count++;
  }
}
ready
Switch case
let count = 0;
for (let i = 0; i < data.length; i++) {
  switch (data[i][0]) {
    case '=':
    case '+':
    case '-':
    case '@':
    case '\t':
    case '\r':
      count++;
      break;
  }
}
ready
Giant if clause
let count = 0;
for (let i = 0; i < data.length; i++) {
  const leadingChar = data[i][0];
  if (leadingChar === '=' || leadingChar === '+' || leadingChar === '-' || leadingChar === '@' || leadingChar === '\t' || leadingChar === '\r') {
    count++;
  }
}
ready

Revisions

You can edit these tests or add more tests to this page by appending /edit to the URL.