Run results for: Изменение строки - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36

Browser: Chrome 70

Operating system: Windows 7

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
slice	885255.5 Ops/sec
substring	910641.1 Ops/sec
replace	1010348.0 Ops/sec
substr	900858.9 Ops/sec

Website performance monitoring

Script Preparation code:

var str = "014b6832";
var sstr = "125g4371"
// var por = 1;
var nstr = "";

Tests:

slice
nstr = str.slice(0, 3)+sstr[3]+str.slice(4); nstr = "";
substring
nstr = str.substring(0, 3)+sstr[3]+str.substring(4); nstr = "";
replace
nstr = str.replace("b", sstr[3]); nstr = "";
substr
nstr = str.substr(0, 3)+sstr[3]+str.substr(4); nstr = "";