Remove empty elements from an array in Javascript and join it as string

remove_empty_value.js

/**This is example works with only jQuery
 * @usecase, if you have an array with empty values (ex: ["I", "", "want", "", "to", "go", "" ])
 * but you want to return this array as a string. 
 */

var myRoom = {
    myAction: function(array){
      garray = $.grep(array,function(n){
        return(n);
    }); 
    //join by ' ' 
    return garray.join(' ');
  }
};

var string = myRoom.myAction(["I", "", "want", "", "to", "go", "" ]);
console.log(string);

//Out put is "I want to go"

/**
 * Here is the code sample for writing the same with native filter function in ECMA5 (via :https://github.com/laktek )
 */
var myRoom = {
    myAction: function(array){
       return array.filter(function(el){ return el !== "" }).join(" ");
    }
};

var string = myRoom.myAction(["I", "", "want", "", "to", "go", "" ]);
console.log(string);

//Out put is "I want to go"