Benchmark: rot13test - MeasureThat.net

Tests:

FCC
function rot13(str) { return str.split('') .map.call(str, function(char) { x = char.charCodeAt(0); if (x < 65 || x > 90) { return String.fromCharCode(x); } else if (x < 78) { return String.fromCharCode(x + 13); } return String.fromCharCode(x - 13); }).join(''); } rot13("SERR PBQR PNZC");
self
function rot13(str) { // LBH QVQ VG! var decode = []; var decodeString = ""; for (i = 0; i < str.length; i++) { decode.push(str.charCodeAt(i)); if (decode[i] >= 78 && decode[i] <= 90) { decode[i] = decode[i] - 13; } else if (decode[i] >= 65 && decode[i] < 78) { decode[i] = decode[i] + 13; } decodeString += String.fromCharCode(decode[i]); } return decodeString; } // Change the inputs below to test rot13("SERR PBQR PNZC");

Rendered benchmark preparation results:

Previous results

Test case name	Result
FCC
self

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Latest run results:

Run details: (Test run date: 7 years ago)

User agent: Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5 Build/MOB31E) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.124 Mobile Safari/537.36

Browser/OS: Chrome Mobile 53 on Android 6.0.1

Test name	Executions per second
FCC	6974.4 Ops/sec
self	5087.5 Ops/sec

rot13test (version: 0)