public function getScriptURL($key)
    {
        return isset($this->scripts[$key]) ? $this->scripts[$key] : null;
    }
public function getScriptURL($key)
    {
        return isset($this->scripts[$key]) ? $this->scripts[$key] : null;
    }
public function getScriptURL ( $ key ) { return isset ( $ this -> scripts [ $ key ] ) ? $ this -> scripts [ $ key ] : null ; }
Gets the Javascript source URLs.

@param string $key The script name

@return string The javascript source URL
Gets the Javascript source URLs .