Run results for: Template literals vs String concat vs Array.join()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

String Concatenation

3K/s

Template Literal

3K/s

Array.join()

9/s

View exact numbers

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const slug = '1234567890';

Tests:

Template Literal
for (let i = 0; i < 1000000; i++) { const url = `/${slug}.html`; }
String Concatenation
for (let i = 0; i < 1000000; i++) { const url = '/' + slug + '.html'; }
Array.join()
for (let i = 0; i < 1000000; i++) { const url = ['/', slug, '.html'].join(''); }