Delete properties - large object

JavaScript performance comparison

Test case created and last updated

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    var hash = new Object();
   
    for(var i = 0; i < 10000; ++i) {
        hash["key" + i] = 5;
    }
};
</script>

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Testing in unknown unknown
Test Ops/sec
Delete
for(var i in hash) {
    delete hash[i];
}
pending…
Delete with keys array
var keysArray = Object.keys(hash);
for(var i = 0; i < keysArray; ++i) {
    delete hash[i];
}
pending…

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