Hi Everyone,
I finish this challenge, but I want to know Is this a proper way, or there is a better way?
Thanks
function getIndexToIns(arr, num) {
var b = Array.prototype.slice.call(arguments,1);
var c = b.concat(arr);
c.sort(function(a,b) {
return a - b;
});
return c.indexOf(num);
}
getIndexToIns([40, 60], 50);