For example, get the element tag name as in Listing 18.

例如，像清单18中一样获得元素标签名称。

youdao

One thing to consider about the code: in DOM, the first node represents the document as a whole, so, to get the element book to read the namespaces, you have to go to the children exactly one time.

有关此代码，有一点需要注意：在DOM中，第一个节点代表整个文档，所以，要让元素book读取这些名称空间，必须访问子节点刚好一次。

youdao

So I guess I should go back, and let me do this correctly this way. Again, I can look at test, test and I guess test now if I want to get the element out-- angle bracket or square bracket?

但是这不是我想要的对不对？,我认为我该回到这里，让我改正这个错误，好，那么我还是对元组,那么现在我想从test中取出元素来？

麻省理工公开课 - 计算机科学及编程导论课程节选

So wherever the largest element started out in the list, by the time I get through it, it's at the end.

所以无论最大的元素,在列表的什么位置。

麻省理工公开课 - 计算机科学及编程导论课程节选

If I do this, try and get the 10th element of a list that's only eight long. I get what looks like an error, but it's actually throwing an exception.

如果我来这么做,试着去取长度为8的列表的第十个元素,我貌似能得到一个错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

Beyond that, and beyond our insistence -- our public insistence that Republicans accept and acknowledge that rates on top earners have to go up, and accept and acknowledge that any package on the revenue side would have to include that element, I'm not going to get into the sausage-making or the internal discussions and deliberations, only because we hope that this process actually produces a positive result.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,

But when he does get the ball, he said he'll be hoping for what he said was the most important element of ball protection.

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The captain is in his element when things get volatile.

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