Run results for: string += vs array joining vs template strings [v2]

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:72.0) Gecko/20100101 Firefox/72.0

Browser: Firefox 72

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Script Preparation code:

var str, strarr
var chars = 'abcdefghijklmnoprstuwxyz'

Tests:

+=
str = '' while (str.length < 100) str += chars[ Math.floor( Math.random() * chars.length ) ]
array joining
strarr = [] while (strarr.length < 100) strarr.push(chars[ Math.floor( Math.random() * chars.length ) ]) str = strarr.join('')
template strings
str = '' while (str.length < 100) str = `${str}${chars[ Math.floor( Math.random() * chars.length ) ]}`