Run results for: includes VS Object

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36

Browser: Chrome 90

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Tests:

includes OK
const arr = [1,2,3,4,5,6,7,8,9,10]; let isFound = arr.includes(8);
includes KO
const arr = [1,2,3,4,5,6,7,8,9,10]; let isFound = arr.includes(12);
object OK
const obj = {1 : true,2 : true,3 : true,4 : true,5 : true,6 : true,7 : true,8 : true,9 : true,10 : true}; let isFound = (obj["8"]);
object KO
const obj = {1 : true,2 : true,3 : true,4 : true,5 : true,6 : true,7 : true,8 : true,9 : true,10 : true}; let isFound = (obj["12"]);
indexOf OK
const arr = [1,2,3,4,5,6,7,8,9,10]; let isFound = (-1 != arr.indexOf(8));
indexof KO
const arr = [1,2,3,4,5,6,7,8,9,10]; let isFound = (-1 != arr.indexOf(12));