Run results for: string-interpolation-vs-concatenation-vs-join

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:57.0) Gecko/20100101 Firefox/57.0

Browser: Firefox 57

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 5 years ago

Script Preparation code:

var luckyNumber = Math.round(Math.random() * 100);
var result = '';

Tests:

string-interpolation
result = `your lucky number for today is: ${luckyNumber}`
string-concatenation
result = 'your lucky number for today is:' + ' ' + luckyNumber
string-join
result = ['your lucky number for today is:', luckyNumber].join(' ');
string-appebd
result = 'your lucky number for today is:'.concat(' ').concat(luckyNumber);