Run results for: switch vs if else

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
switch	3643612.5 Ops/sec
simple if else	4398175.0 Ops/sec

Tests:

switch
const SOURCE = [ 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', ]; let a; for(let value of SOURCE){ switch (value) { case "ahello": a = (value + "\n\n" + "hi"); case "ahi": a = (value + "\n\n" + "hello"); case "abye": a = (value + "\n\n" + "no"); case "adie": a = (value + "\n\n" + "you shot me"); case "bhello": a = (value + "\n\n" + "hi"); case "bhi": a = (value + "\n\n" + "hello"); case "bbye": a = (value + "\n\n" + "no"); case "bdie": a = (value + "\n\n" + "you shot me"); case "hello": a = (value + "\n\n" + "hi"); case "hi": a = (value + "\n\n" + "hello"); case "bye": a =(value + "\n\n" + "no"); case "die": a = (value + "\n\n" + "you shot me"); } }
simple if else
const SOURCE = [ 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', 'hello', 'hi', 'bye', 'die', 'die', 'bye', 'hi', 'hello', ]; let a; for(let value of SOURCE){ if (value == "ahello") { a = (value + "\n\n" + "hi"); } else if (value == "ahi"){ a = (value + "\n\n" + "hello"); } else if (value == "abye"){ a = (value + "\n\n" + "no"); } else if (value == "adie"){ a = (value + "\n\n" + "you shot me"); } else if (value == "bhello"){ a = (value + "\n\n" + "hi"); } else if (value == "bhi"){ a = (value + "\n\n" + "hello"); } else if (value == "bbye"){ a = (value + "\n\n" + "no"); } else if (value == "bdie"){ a = (value + "\n\n" + "you shot me"); } else if (value == "hello"){ a = (value + "\n\n" + "hi"); } else if (value == "hi"){ a = (value + "\n\n" + "hello"); } else if (value == "bye"){ a =(value + "\n\n" + "no"); } else if (value == "die"){ a = (value + "\n\n" + "you shot me"); } }

Run results for: switch vs if else

switch

simple if else