"The parent() method selectively accepts selector expressions of the same type". I don't understand this sentence. What does it mean to selectively accept selector expressions of the same type? - PHP Chinese website Q&A - "The parent() method is selective. I don’t understand this sentence. What does it mean to selectively accept selector expressions of the same type? - PHP Chinese website Q&A
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"The parent() method selectively accepts selector expressions of the same type". I don't understand this sentence. What does it mean to selectively accept selector expressions of the same type? - PHP Chinese website Q&A - "The parent() method is selective. I don’t understand this sentence. What does it mean to selectively accept selector expressions of the same type? - PHP Chinese website Q&A
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有点类似于children()方法，parent()无参数表示允许我们能够在DOM树中搜索到这些元素的父级元素，从有序的向上匹配元素，并根据匹配的元素创建一个新的 jQuery 对象。而parent()有参数表示对这个合集对象进行一定的筛选，找出目标元素，所以允许传一个选择器的表达式，即接受同一型选择器表达式