Run results for: Prototype chains

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 132

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

level 4

102K/s

level 2

102K/s

level 3

102K/s

level 1

102K/s

level 5

86K/s

View exact numbers

Test name	Executions per second
✓ level 4	102,449 Ops/sec
level 2	102,393 Ops/sec
level 3	102,370 Ops/sec
level 1	102,367 Ops/sec
level 5	85,592 Ops/sec

Script Preparation code:

const level1 = {a: 1};
const level2 = {b: 1};
const level3 = {c: 1};
const level4 = {d: 1};
const level5 = {e: 1};

level2.__proto__ = level1;
level3.__proto__ = level2;
level4.__proto__ = level3;
level5.__proto__ = level4;

Tests:

level 5
for (var i=0; i<10000; i++) { level5.a; }
level 4
for (var i=0; i<10000; i++) { level4.a; }
level 3
for (var i=0; i<10000; i++) { level3.a; }
level 2
for (var i=0; i<10000; i++) { level2.a; }
level 1
for (var i=0; i<10000; i++) { level1.a; }