var obj = {
property : "value",
propertyTwo: "value2"
};
delete obj.property
obj.property = undefined;
obj.property = null;
FAQ: FAQ
Source code: GitHub/MeasureThat.net
Report issues: MeasureThat.net/Issues
Based on: Benchmark.js
Facebook page: https://www.facebook.com/MeasureThat.Net
Python benchmarks support: Pyodide