Run results for: replace vs splitjoin

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.1.1 Safari/605.1.15

Browser: Safari 11

Operating system: Mac OS X 10.13.5

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
a	1278249.0 Ops/sec
b	608406.7 Ops/sec
c	864114.8 Ops/sec

Script Preparation code:

var str='Стэн против сил зла (2 сезон 1-8 серия из 8) (2017) WEB-DL 720p | Newstudio [AVC]';
var e = function (str) {
                    if (str) return str.
                        replace(/&/g, '&amp;').
                        replace(/</g, '&lt;').
                        replace(/>/g, '&gt;').
                        replace(/"/g, '&quot;').
                        replace(/'/g, '&#039;');
                    return '';
                };
var e2 = function (str) {
                    if (str) return str
                      .split('&').join('&amp;')
                      .split('<').join('&lt;')
                      .split('>').join('&gt;')
                      .split('"').join('&quot;')
                      .split("'").join('&#039;');
                    return '';
                };
var r = [/&/g,/</g,/>/g,/"/g,/'/g]
var e3 = function (str) {
                    if (str) return str.
                        replace(r[0], '&amp;').
                        replace(r[1], '&lt;').
                        replace(r[2], '&gt;').
                        replace(r[3], '&quot;').
                        replace(r[4], '&#039;');
                    return '';
                };

Tests:

a
e(str);
b
e2(str);
c
e3(str);