Get array distinct and test - Node.js Array

Node.js examples for Array:Set Operation

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Description

Get array distinct and test

Demo Code


Array.prototype.distinct = function() {
    var ret = [];
    for (var i = 0; i < this.length; i++)
    {/*from   w  ww.j  a  va  2 s . com*/
        for (var j = i+1; j < this.length;) {   
            if (this[i] === this[j]) {
                ret.push(this.splice(j, 1)[0]);
            } else {
                j++;
            }
        }
     }
     return ret;
}
//test
console.log(['a','b','c','d','b','a','e'].distinct());

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