Run results for: Object.entries vs for..inasasdasdasd

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser: Chrome 143

Operating system: Windows

Device Platform: Desktop

Date tested: 4 months ago

Script Preparation code:

var obj = {
	a: 1,
    b: 2,
	c: 3,
	d: 4,
  	str: 'long string',
	nested: {
    	nested: 0
    },
	hello: 55.5
};

Tests:

Object.entries (forEach)
var lastK; var lastV; Object.entries(obj).forEach((key, value) => { lastK = key; lastV = value; });
for..in
var lastK; var lastV; for (var key in obj) { if (Object.hasOwn(obj, key)) { lastK = key; lastK = obj[key]; } }
Object.entries (for loop)
var lastK; var lastV; var entries = Object.entries(obj); for (var i = entries.length - 1; i >= 0; i--) { var e = entries[i]; lastK = e[0]; lastV = e[1]; }
for of entries
var lastK; var lastV; for (let [k, v] of Object.entries(obj)) { lastK = k; lastV = v; }
for of keys
var lastK; var lastV; for (let k of Object.keys(obj)) { lastK = k; lastV = obj[k]; }
keys for i
var lastK; var lastV; var keys = Object.keys(obj); for (var i = 0; i < keys.length; ++i) { var k = keys[i]; lastK = k; lastV = obj[k]; }
keys for i reverse
var lastK; var lastV; var keys = Object.keys(obj); for (var i = keys.length - 1; i >= 0; --i) { var k = keys[i]; lastK = k; lastV = obj[k]; }