B2G/gecko/browser/base/content/aboutDialog.js
// true when the update type is major.
true when the update type is major.
true when the update type is major .
get isMajor() {
    if (this.update)
      return this.update.type == "major";
    return this.um.activeUpdate.type == "major";
  }
get isMajor ( ) { if ( this . update ) return this . update . type == "major" ; return this . um . activeUpdate . type == "major" ; }
true when the update type is major.
true when the update type is major .