How to use

contains

function

in

Array

this._skills.concat(this.addedSkills()).forEach(function(id) {
    if (!list.contains($dataSkills[id])) {
      list.push($dataSkills[id]);
    }
  });

this.members().forEach(function(enemy) {
    var name = enemy.originalName();
    if (enemy.isAlive() && !names.contains(name)) {
      names.push(name);
    }
  });

$assert (!processedItems.contains (item))
return __.delay (_.random (2))
     .then (function () {