Run results for: replace vs splitjoin

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Browser: Chrome 66

Operating system: Windows

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
a	1593522.0 Ops/sec
b	672392.6 Ops/sec
c	939546.8 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);