Run results for: Normal for loop vs JSON.stringify to detect Inequality for Array of Objects.

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

Browser: Chrome 70

Operating system: Mac OS X 10.14.0

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Normal looping to detect inequality	100504.8 Ops/sec
JSON.stringify to detect inequality	27499.6 Ops/sec

Script Preparation code:

window.foo = [{'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}];
window.bar = [{'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'ios'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}, {'name':'my name', 'age':21, 'occupation':'programmer', 'country':'malaysia', 'mobile_OS':'android'}];

Tests:

Normal looping to detect inequality
let length = window.foo.length; let same = true; for(var i = 0;i<length;i++){ if(window.foo[i].name !== window.bar[i].name){ same = false; }else if(window.foo[i].age !== window.bar[i].age){ same = false; }else if(window.foo[i].occupation !== window.bar[i].occupation){ same = false; }else if(window.foo[i].country !== window.bar[i].country){ same = false; }else if(window.foo[i].mobile_OS !== window.bar[i].mobile_OS){ same = false; } if(!same){ break; } }
JSON.stringify to detect inequality
JSON.stringify(window.foo) === JSON.stringify(window.bar);

Run results for: Normal for loop vs JSON.stringify to detect Inequality for Array of Objects.

Test JSON.stringify performance

Normal looping to detect inequality

JSON.stringify to detect inequality