<div class=“t恤黑蓝”>示例</div> 示例 示例 示例 示例 示例 示例 示例
var wanted=$('.thirt.black.blue,.weart.black.blue');
var wanted=$('(.t-shirt,.woothere).black.blue');
<div class=“t恤黑蓝”>示例</div> 示例 示例 示例 示例 示例 示例 示例
var wanted=$('.thirt.black.blue,.weart.black.blue');
var wanted=$('(.t-shirt,.woothere).black.blue');
:火柴(.t恤,.毛衣).黑色.蓝色
var blacklue=$(“.black.blue”), tshirts=blacklue.filter(“.t-shirt”), 毛衣=blackblue.filter(“.woother”), both=tshirt.add(毛衣);
var selectionLevel1=$(“.t-shirt,.woothere”).andSelf(); var finalSelection=$(“.black”,selectionLevel1);