Member Null Checks

JavaScript performance comparison

Test case created by

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  function lastObjectMember(node, route) {
    route = route.split('.');
    while (node !== null && node !== undefined && route.length) {
      node = node[route.shift()];
    }
    return node;
  }
  
  function lastObjectMember2(node, route) {
    while (node !== null && node !== undefined && route.length) {
      node = node[route.shift()];
    }
    return node;
  }
  
  var object = {member: {innerMember: true}};

};
</script>

Test runner

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
String signature
lastObjectMember(object, 'member.innerMember');
pending…
Plain bail-check
object && object.member && object.member.innerMember;
pending…
Array signature
lastObjectMember2(object, ['member', 'innerMember']);
pending…

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