Benchmark: Assign vs Manual Assignment

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var obj1 = { a: 0.0, b:0.0, c: 0.0, x: 0.0, y:0.0, z: 0.0}
var obj2 = { a: 1.0, b:1.0, c: 1.0, x: 1.0, y:1.0, z: 1.0}

Tests:

Assign
Object.assign(obj1, obj2);
Manual Assignment
obj1.a = obj2.a; obj1.b = obj2.b; obj1.c = obj2.c; obj1.x = obj2.x; obj1.y = obj2.y; obj1.z = obj2.z;

Rendered benchmark preparation results:

Previous results

Test case name	Result
Assign
Manual Assignment

Latest run results:

Run details: (Test run date: 20 days ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:154.0) Gecko/20100101 Firefox/154.0

Browser/OS: Firefox 154 on Linux

Manual Assignment

180.6M/s

Assign

10.9M/s

View exact numbers

Test name	Executions per second
✓ Manual Assignment	180,573,456 Ops/sec
Assign	10,918,533 Ops/sec

Assign vs Manual Assignment (version: 1) Benchmark.js