Array.prototype.clean = function(deleteValue) {
  for (var i = 0; i < this.length; i++) {
    if (this[i] == deleteValue) {         
      this.splice(i, 1);
      i--;
    }
  }
  return this;
};

//usage

youArray = yourArray.clean("");

use this script to step through an Array and strip out the specified value...

Normally "" - to remove blank data from the Array

Javascript .clean Array

JavaScript