| Index: chrome/content/tests/performance/common.js |
| =================================================================== |
| --- a/chrome/content/tests/performance/common.js |
| +++ b/chrome/content/tests/performance/common.js |
| @@ -44,17 +44,17 @@ function runTests(testFunc, cleanupFunc, |
| setTimeout(runNextTest, 0); |
| } |
| function getConfidenceInterval(results) |
| { |
| let sum = 0; |
| let sqrsum = 0; |
| - for each (let result in results) |
| + for (let result of results) |
| { |
| sum += result; |
| sqrsum += result * result; |
| } |
| let avg = sum / results.length; |
| let stddev = Math.sqrt((sqrsum - 2 * sum * avg + avg * avg * results.length) / results.length); |
| let confidence = 1.96 * stddev; // 95% confidence, assuming Gaussian distribution |