arrayloop

JavaScript performance comparison

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Testing in unknown unknown
Test Ops/sec
long
var x = [];
for(var i=0; i < 10000; i++){
 x.push(i + ' ');
}

var y = 'stuff';

for(var i=0; len = x.length; i<len; i++){
 y += x[i];
}
pending…
foreach
var x = [];
for(var i=0; i < 10000; i++){
 x.push(i + ' ');
}

var y = 'stuff';

for(var i in x){
 y += x[i];
}
pending…

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