Run results for: TLE: Slice vs Substring

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36 Edg/139.0.0.0

Browser: Chrome 139

Operating system: Windows

Device Platform: Desktop

Date tested: 8 months ago

Test name	Executions per second
Slice	2911874.0 Ops/sec
Substring	2937065.2 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const line1 = "1 35932U 09051B   25236.69787976  .00000914  00000+0  19419-3 0  9994";
const line2 = "2 35932  98.4199 134.3308 0008187  59.9214 300.2798 14.61487625845831";

Tests:

Slice
return { satelliteNumber: parseInt(line1.slice(2, 7)), classification: line1.slice(7, 8), launchYear: parseInt(line1.slice(9, 11)), launchNumber: parseInt(line1.slice(11, 14)), epochYear: parseInt(line1.slice(18, 20)), epochDay: parseFloat(line1.slice(20, 32)), inclination: parseFloat(line2.slice(8, 16)), raan: parseFloat(line2.slice(17, 25)), eccentricity: parseFloat('0.' + line2.slice(26, 33)), argPerigee: parseFloat(line2.slice(34, 42)), meanAnomaly: parseFloat(line2.slice(43, 51)), meanMotion: parseFloat(line2.slice(52, 63)), revNumber: parseInt(line2.slice(63, 68)) };
Substring
return { satelliteNumber: parseInt(line1.substring(2, 7)), classification: line1.substring(7, 8), launchYear: parseInt(line1.substring(9, 11)), launchNumber: parseInt(line1.substring(11, 14)), epochYear: parseInt(line2.substring(18, 20)), epochDay: parseFloat(line2.substring(20, 32)), meanMotion: parseFloat(line2.substring(52, 63)), eccentricity: parseFloat('0.' + line2.substring(26, 33)), inclination: parseFloat(line2.substring(8, 16)), raan: parseFloat(line2.substring(17, 25)), argPerigee: parseFloat(line2.substring(34, 42)), meanAnomaly: parseFloat(line2.substring(43, 51)), revNumber: parseInt(line2.substring(63, 68)) };