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Describe your issue in detail here
hello i would like to me help in find the symmetric difference
**Your code so far**
function sym(args) {
return args;
}
sym([1, 2, 3], [5, 2, 1, 4]);
**Your browser information:**
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Challenge: Find the Symmetric Difference
Link to the challenge: