元素和元素ID之间有什么区别？(what's the difference between Element and Element ID?)

元素和元素ID之间有什么区别？(what's the difference between Element and Element ID?)

元素和元素ID之间有什么区别？

what's the difference between Element and Element ID?

最满意答案

<div id="element-id"></div>

元素是div ，元素的ID是element-id 。

请注意，每个ID在DOM树中都应该是唯一的。

<div id="element-id"></div>

The element is div, the element's ID is element-id.

Note that every ID should be unique in the DOM tree.