How to check two string have same characters including special characters

Question

I have two question

1) how can I check two shuffle string have same characters Like I have

var str1 = \"ansar@#//1\";
var str2 = \"@#//sanra1\";
         


        

Answer 1

this will return empty string if character set in both strings is the same.

function findDiff (str1, str2)
{
    var diff = '';

    if (str1.length > str2.length)
    {
        var search = str1;
        var compare = str2;
    }
    else
    {
        var search = str2;
        var compare = str1;
    }

    for (var i = 0; i < search.length; i++)
    {
        var symbol = search[i];

        if (compare.indexOf(symbol) === -1)
        {
            diff += symbol;
        }
    }
    return(diff);
}

findDiff("ansar@#//123", "@#//sanra");

https://jsfiddle.net/tadaspaplauskas/pn7jnj8e/