Sometimes you don't know the name of the element you're looking for, or you need to find an element that might be inside of several different elements.

有时，您不知道您在寻找的元素的名称，或者需要找到一个可能在几个不同元素中的元素。

youdao

Finding an element based on its ID, element type, or CSS class name is very useful, but what if you want to find an element based on its position in the DOM tree.

根据 ID、元素类型或 CSS 类名查找元素非常有用，但如何根据元素在 DOM 树中的位置执行查找呢？

youdao

You could get the data in an element, work with its children, find out the value of an attribute... and that's really about it.

您可以从某个元素中获得数据，操作其子元素，找出某个属性的值等，全部都是这方面的操作。

youdao

When you are searching a list to see whether it has an element, you don't randomly probe the list, hoping to find whether or not it's there.

当我们在一个数组中,寻找目标元素的时候,我们不会随机的调查数组来看。

麻省理工公开课 - 计算机科学及编程导论课程节选

And when we begin to speak about the human being and human dignity, people with religious identification quickly find themselves talking about concepts that have an element of sacred to them.

当我们开始谈论人类,和人的尊严，信仰宗教的人,很快会发现自己在谈论那些,对他们有着神圣意义的概念。

普林斯顿公开课 - 人性课程节选

Jayawardene was single-handedly holding the innings together and his ability to find the rope with an element of regularity drove Sri Lanka past the 100 mark.

BBC: Sri Lanka see off valiant Ireland