public function setJsFiles(array $jsFiles)
    {
        $this->jsFiles = ArrayUtils::merge($this->jsFiles, $jsFiles);
        return $this;
    }
public function setJsFiles(array $jsFiles)
    {
        $this->jsFiles = ArrayUtils::merge($this->jsFiles, $jsFiles);
        return $this;
    }
public function setJsFiles ( array $ jsFiles ) { $ this -> jsFiles = ArrayUtils :: merge ( $ this -> jsFiles , $ jsFiles ) ; return $ this ; }
Set custom Javascript files

@param array $jsFiles
@return $this
Set custom Javascript files