We have two arrays of numbers, let’s say −
[2, 4, 6, 7, 1] [4, 1, 7, 6, 2]
Assume, we have to write a function that returns a boolean based on the fact whether or not they contain the same elements irrespective of their order.
For example −
[2, 4, 6, 7, 1] and [4, 1, 7, 6, 2] should yield true because they have the same elements but ordered differently.
Now, let’s write the code for this function −
Example
const first = [2, 4, 6, 7, 1]; const second = [4, 1, 7, 6, 2]; const areEqual = (first, second) => { if(first.length !== second.length){ return false; }; for(let i = 0; i < first.length; i++){ if(!second.includes(first[i])){ return false; }; }; return true; }; console.log(areEqual(first, second));
Output
The output in the console will be −
true