Run results for: Object.assign vs direct assignment 313

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

Browser: Chrome 96

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var data = {};

Tests:

Direct Assignment 31312321321
for(var i = 0; i < 10000; i++) { data[`prop_${i}`] = true; }
Object.assign 213123
for(var i = 0; i < 10000; i++) { var propName = `prop_${i}`; Object.assign(data, { [propName]: true }); }
test direct assignment 123213
Object.fromEntries( Array(10000) .fill(true) .map((value, index) => [index, value]), )