Run results for: JSON.stringify, string concat, template string, join, plus

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Browser: Chrome 92

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

var stringArray = Array.from({
    length: 1000
}).map(() => Math.random().toString())

Tests:

stringify
let str = JSON.stringify(stringArray);
join
let str = stringArray.join();
concat
let str = ""; for (let i = 0; i < stringArray.length; i++) str = str.concat(stringArray[i]);
string add
let str = ""; for (let i = 0; i < stringArray.length; i++) str = str+stringArray[i];
string template
let str = ""; for (let i = 0; i < stringArray.length; i++) str = `${str},${stringArray[i]}`;