Remove occurrences of duplicate words in a string

Question

Take the following string as an example:

var string = \"spanner, span, spaniel, span\";

From this string I would like to find the duplicate

Answer 1

below is an easy to understand and quick code to remove duplicate words in a string:

var string = "spanner, span, spaniel, span";


var uniqueListIndex=string.split(',').filter(function(currentItem,i,allItems){
    return (i == allItems.indexOf(currentItem));
});

var uniqueList=uniqueListIndex.join(',');

alert(uniqueList);//Result:spanner, span, spaniel

As simple as this can solve your problem. Hope this helps. Cheers :)