Run results for: Array looping

Test name	Executions per second
✓ Simple for loop (condensed)	350,575 Ops/sec
Instructionless for loop	350,239 Ops/sec
Simple for loop	348,192 Ops/sec
Array.forEach	339,557 Ops/sec
Array.map	118,417 Ops/sec
Array.filter	108,283 Ops/sec
Simple for loop (reverse)	46,416 Ops/sec
for loop + Array.entries (condensed)	41,100 Ops/sec
while + Array.entries (condensed)	39,383 Ops/sec
for loop + Array.entries	32,404 Ops/sec
while + Array.entries	32,400 Ops/sec
enumerable for loop (order is respected)	31,403 Ops/sec
enumerable for loop (order not important)	7,124 Ops/sec

Test name

Executions per second

✓ Simple for loop (condensed)

350,575 Ops/sec

Instructionless for loop

350,239 Ops/sec

Simple for loop

348,192 Ops/sec

Array.forEach

339,557 Ops/sec

Array.map

118,417 Ops/sec

Array.filter

108,283 Ops/sec

Simple for loop (reverse)

46,416 Ops/sec

for loop + Array.entries (condensed)

41,100 Ops/sec

while + Array.entries (condensed)

39,383 Ops/sec

for loop + Array.entries

32,404 Ops/sec

while + Array.entries

32,400 Ops/sec

enumerable for loop (order is respected)

31,403 Ops/sec

enumerable for loop (order not important)

7,124 Ops/sec

Tests:

Simple for loop
for( var i = 0, n = arr.length; i < n; i++ ) { someFn( arr[ i ] ); }
Simple for loop (reverse)
for( var i = arr.length; i > -1; i-- ) { someFn( arr[ i ] ); }
Array.forEach
arr.forEach( someFn );
for loop + Array.entries
for( var e = arr.entries(), n = e.next(); ! n.done; n = e.next() ) { someFn( n.value[ 1 ] ); }
while + Array.entries
var e = arr.entries(), n = e.next(); while( ! n.done ) { someFn( n.value[ 1 ] ); n = e.next(); }
enumerable for loop (order not important)
for( var i in arr ) { someFn( arr[ i ] ); }
enumerable for loop (order is respected)
for( r of arr ) { someFn( r ); }
Array.map
arr.map( someFn );
Array.filter
arr.filter( someFn );
while + Array.entries (condensed)
var e = arr.entries(), n; while( ! ( n = e.next() ).done ) { someFn( n.value[ 1 ] ); }
for loop + Array.entries (condensed)
for( var e = arr.entries(), n; ! (n = e.next()).done; ) { someFn( n.value[ 1 ] ); }
Simple for loop (condensed)
for( var i = 0, n = arr.length; i < n; ) { someFn( arr[ i++ ] ); }
Instructionless for loop
for( var i = 0, n = arr.length; i < n; someFn( arr[ i++ ] ) ) ;