Benchmark proto - small

proto-small.js

const MyType = function(startVal) {
  this.val = startVal
  ...
}

MyType.prototype.add = function(b) { ... }
MyType.prototype.sub = function(b) { ... }
...

for(let i = 0; i < 1000000; i++) {
  objects.push(new MyType(i))
}

let idx = 0
setInterval(() => {
  const o = objects[idx]
  o.add(12)
  o.sub(4)
  o.mul(7)
  o.mod(16)
  
  idx++
  document.getElementById('target-div').innerHTML = o.getVal()
}, 10)