Run results for: Object Literal x Switch - Rocketseat

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36 OPR/79.0.4143.73

Browser: Opera 79

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Switch	27927.8 Ops/sec
Object Literal	29389.1 Ops/sec

Script Preparation code:

var today = new Date().getDay()

Tests:

Switch
let day; switch (today) { case 0: day = "Sunday"; break; case 1: day = "Monday"; break; case 2: day = "Tuesday"; break; case 3: day = "Wednesday"; break; case 4: day = "Thursday"; break; case 5: day = "Friday"; break; case 6: day = "Saturday"; break; default: throw new Error("Hey! We have only 7 days in the week"); } console.log(`What day of the week is today? ${day}`);
Object Literal
const dayOfTheWeek = { 0: "Sunday", 1: "Monday", 2: "Tuesday", 3: "Wednesday", 4: "Thursday", 5: "Friday", 6: "Saturday", }; console.log( `What day of the week is today? ${dayOfTheWeek[today]}` );