Run results for: Array Reordering

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36

Browser: Chrome 53

Operating system: Windows

Device Platform: Other

Date tested: 8 years ago

Test name	Executions per second
Splice	172.1 Ops/sec
Temp	4299.3 Ops/sec

Script Preparation code:

var tests = 100,
    ct = 100000,
    arr = [];
for (var i = 0; i < ct; i++) {
  arr[i] = Math.floor(Math.random() * ct) + 1;
}

AخA
 
var tests = 100,    ct = 100000,    arr = [];for (var i = 0; i < ct; i++) {  arr[i] = Math.floor(Math.random() * ct) + 1;}

Tests:

Splice

for (var i = tests; i--;) {
  var from = Math.floor(Math.random() * ct) + 1,
  	  to = Math.floor(Math.random() * ct) + 1,
  	  fromArr = arr.splice(from, 1);
  arr.splice(to, 0, fromArr[0]);
}

 
for (var i = tests; i--;) {  var from = Math.floor(Math.random() * ct) + 1,      to = Math.floor(Math.random() * ct) + 1,      fromArr = arr.splice(from, 1);  arr.splice(to, 0, fromArr[0]);}

Temp

for (var i = tests; i--;) {
  var from = Math.floor(Math.random() * ct) + 1,
  	  to = Math.floor(Math.random() * ct) + 1,
  	  tmp = arr[from];
  arr[from] = arr[to];
  arr[to] = tmp;
}

 
for (var i = tests; i--;) {  var from = Math.floor(Math.random() * ct) + 1,      to = Math.floor(Math.random() * ct) + 1,      tmp = arr[from];  arr[from] = arr[to];  arr[to] = tmp;}