Solve 'Be Concise IV - Index of an element in an array'

[odv]

https://www.codewars.com/kata/be-concise-iv-index-of-an-element-in-an-array/train/javascript

[RazvanBugoi]

function find(a,b){
return a.indexOf(b)>=0?a.indexOf(b):"Not found";
}

[GabrielNunes12]

There's another way to make this possible using arrow function (ES6+) const find = (a,b) => { return a = Array.prototype.indexOf(b) >= 0 ? Array.prototype.indexOf(b) : "Not found"; }

[nurstorm1]

There's another way to make this possible using arrow function (ES6+) const find = (a,b) => { return a = Array.prototype.indexOf(b) >= 0 ? Array.prototype.indexOf(b) : "Not found"; }

not works