Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var tab = new Array(1000);
  };
</script>

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for (var i = 0; i < tab.length; i++) {
        if (i == 247) {
                tab.splice(i--, 1);
        }
}
 

var newTab = [];

for (var i = 0; i < tab.length; i++) {
        if (i != 247) {
                newTab.push(tab[i]);
        }
}


tab = newTab;

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