B2G/gecko/browser/base/content/browser-fullZoom.js
// If there is no global value, then this should be undefined.
If there is no global value, then this should be undefined.
If there is no global value then this should be undefined .
get globalValue() {
    var globalValue = Services.contentPrefs.getPref(null, this.name);
    if (typeof globalValue != "undefined")
      globalValue = this._ensureValid(globalValue);
    delete this.globalValue;
    return this.globalValue = globalValue;
  }
get globalValue ( ) { var globalValue = Services . contentPrefs . getPref ( null , this . name ) ; if ( typeof globalValue != "undefined" ) globalValue = this . _ensureValid ( globalValue ) ; delete this . globalValue ; return this . globalValue = globalValue ; }
If there is no global value, then this should be undefined.
If there is no global value then this should be undefined .