给定 PHP 数组:
$forColumnsArr['p_pl'] = array('datatype_names' => array('publisher', 'placement', 'placement_groups'), 'labels' => 'All Placements');
$forColumnsArr['a_st'] = array('datatype_names' => array('advertiser', 'campaign', 'strategy'), 'labels' => 'All Campaigns, All Strategies');
想要类似/等效的 javascript 数组
请帮我