Run results for: JavaScript Convert Value to String: String() vs .toString() vs `${value}` vs ("" +) vs (+ "")

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Browser: Chrome 144

Operating system: Windows

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
✓ Number value + ""	474,393 Ops/sec
Number `${value}`	473,930 Ops/sec
Number "" + value	470,553 Ops/sec
Boolean `${value}`	425,377 Ops/sec
Boolean value + ""	323,930 Ops/sec
Boolean "" + value	305,662 Ops/sec
Boolean.toString()	304,650 Ops/sec
Boolean String()	239,352 Ops/sec
Number.toString()	222,835 Ops/sec
Number String()	207,874 Ops/sec
BigInt `${value}`	52,525 Ops/sec
BigInt.toString()	52,419 Ops/sec
BigInt value + ""	51,298 Ops/sec
BigInt "" + value	51,094 Ops/sec
BigInt String()	47,319 Ops/sec
Object.toString()	25,196 Ops/sec
Object String()	25,026 Ops/sec
Object value + ""	24,873 Ops/sec
Object "" + value	24,854 Ops/sec
Object `${value}`	24,817 Ops/sec

Test name

Executions per second

✓ Number value + ""

474,393 Ops/sec

Number `${value}`

473,930 Ops/sec

Number "" + value

470,553 Ops/sec

Boolean `${value}`

425,377 Ops/sec

Boolean value + ""

323,930 Ops/sec

Boolean "" + value

305,662 Ops/sec

Boolean.toString()

304,650 Ops/sec

Boolean String()

239,352 Ops/sec

Number.toString()

222,835 Ops/sec

Number String()

207,874 Ops/sec

BigInt `${value}`

52,525 Ops/sec

BigInt.toString()

52,419 Ops/sec

BigInt value + ""

51,298 Ops/sec

BigInt "" + value

51,094 Ops/sec

BigInt String()

47,319 Ops/sec

Object.toString()

25,196 Ops/sec

Object String()

25,026 Ops/sec

Object value + ""

24,873 Ops/sec

Object "" + value

24,854 Ops/sec

Object `${value}`

24,817 Ops/sec

Script Preparation code:

let nums = [];
for (let i = 0; i < 1024; i++)
  nums.push(i);
let bigInts = [];
for (let i = 0; i < 1024; i++)
  bigInts.push(BigInt(i));
let bools = [];
for (let i = 0; i < 1024; i++)
  bools.push((i | 1) === 0);

Tests:

Number String()
const strs = nums.map(String);
Number.toString()
const strs = nums.map(i => i.toString());
Number `${value}`
const strs = nums.map(i => `${i}`);
Number "" + value
const strs = nums.map(i => "" + i);
Number value + ""
const strs = nums.map(i => i + "");
BigInt String()
const strs = bigInts.map(String);
BigInt.toString()
const strs = bigInts.map(i => i.toString());
BigInt `${value}`
const strs = bigInts.map(i => `${i}`);
BigInt "" + value
const strs = bigInts.map(i => "" + i);
BigInt value + ""
const strs = bigInts.map(i => i + "");
Boolean String()
const strs = bools.map(String);
Boolean.toString()
const strs = bools.map(i => i.toString());
Boolean `${value}`
const strs = bools.map(i => `${i}`);
Boolean "" + value
const strs = bools.map(i => "" + i);
Boolean value + ""
const strs = bools.map(i => i + "");
Object String()
const str = String([nums, bigInts, bools]);
Object.toString()
const str = [nums, bigInts, bools].toString();
Object `${value}`
const str = `${[nums, bigInts, bools]}`;
Object "" + value
const str = "" + [nums, bigInts, bools];
Object value + ""
const str = [nums, bigInts, bools] + "";