Here you can find the source of include(pattern)
String.prototype.include = function(pattern) { return this.indexOf(pattern) > -1; };
String.prototype.include = function(pattern) { return this.indexOf(pattern) !== -1;
String.prototype.include = function (pattern) { return this.indexOf(pattern) > -1;
String.prototype.include = function (pattern) { return this.indexOf(pattern) > -1; enyo.singleton({ name: "preware.Globals", published: { appVersion: "0.2" }); ...
String.prototype.include = function(x){ return this.indexOf(x) > -1