typeof variants

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Test Ops/sec
typeof operator
var o = {};
if (typeof o === 'object') {
  // do some work
}
pending…
instanceof
var o = {};
if (o instanceof Object) {

}
pending…
var o = "5";
if (typeof o === 'object') {
}
pending…
var o = "5";
if (o instanceof Object) {

}
pending…

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