Run results for: String to Int of Arbitrary Precision

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36

Browser: Chrome 53

Operating system: Windows

Device Platform: Other

Date tested: 8 years ago

Test name	Executions per second
String Manipulation	121074.7 Ops/sec
Float Manipulation, round all	449292.1 Ops/sec
Float, check for decimal	423483.7 Ops/sec

Tests:

String Manipulation
function strToInt(num, decimals) { decIndex = num.indexOf('.'); if (decIndex >= 0) { // console.log('contains decimal point'); curDecimals = (num.length - decIndex - 1); if (decimals > curDecimals) { // console.log('too few decimal places'); num += '0'.repeat(decimals - curDecimals); } else if (decimals < curDecimals) { // console.log('too many decimal places'); num = num.slice(0, decimals - curDecimals); } num = _.replace(num, '.', ''); } else { // console.log('no decimal point'); num += '0'.repeat(decimals); } return parseInt(num); } strToInt('12.47', 2); strToInt('12.43', 2); strToInt('12.1', 2); strToInt('12', 2);
Float Manipulation, round all
function strToInt(num, multiplier) { return Math.round(parseFloat(num) * multiplier); } strToInt('12.47', 100); strToInt('12.43', 100); strToInt('12.1', 100); strToInt('12', 100);
Float, check for decimal
function strToInt(num, multiplier) { if (num.includes('.')) { return Math.round(parseFloat(num) * multiplier); } else { return parseInt(num) * multiplier; } } strToInt('12.47', 100); strToInt('12.43', 100); strToInt('12.1', 100); strToInt('12', 100);