Run results for: nbdfdf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:90.0) Gecko/20100101 Firefox/90.0

Browser: Firefox 90

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
ff	4863180.5 Ops/sec
ss	1249379.0 Ops/sec

Tests:

ff
const text = "hello worldbb"; function count(string){ let a_counter = 0; let b_counter = 0; let sp = string.split('') sp.forEach(function(aa){ if(aa == 'a'){ a_counter = a_counter + 1 } if(aa == 'b'){ b_counter = b_counter + 1 } }) if(!string) { return {}; } else if(b_counter > 0 && a_counter > 0){ return {a: a_counter, b: b_counter} } else if(b_counter > 0 && a_counter == 0){ return {b: b_counter} } else { return {a: a_counter} } } count(text);
ss
const text = "hello worldbb"; const count = (text) => { const allowedCharacters = ["a", "b"]; return [...text].reduce((accumulator, currentValue) => { if (allowedCharacters.includes(currentValue)) accumulator[currentValue] = (accumulator[currentValue] || 0) + 1; return accumulator; }, {}); }; count(text);