Run results for: Fast & frequent comparisons

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Browser: Chrome 111

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
JSON.stringify	280090.3 Ops/sec
H	121096.8 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

window.foo = [{accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'merp', ancestors: ['blah', 'merp']}, {accessPath: 'derp', ancestors: ['blah', 'derp']}];
window.foo = [{accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'derp.merp', ancestors: ['blah', 'blah']}, {accessPath: 'merp', ancestors: ['blah', 'merp']}, {accessPath: 'derp', ancestors: ['blah', 'changed']}];

async function H(m) {
  const msgUint8 = new TextEncoder().encode(m)                       
  const hashBuffer = await crypto.subtle.digest('SHA-1', msgUint8)          
  const hashArray = Array.from(new Uint8Array(hashBuffer))                    
  const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join('')
  return hashHex;
}

async function compare(a, b) {
  return await H(a) === await H(b);
}

Tests:

JSON.stringify
JSON.stringify(window.foo) === JSON.stringify(window.bar);
H
compare(window.foo, window.bar)

Run results for: Fast & frequent comparisons

JSON.stringify

H