HTML 节点: HTML DOM定义了所有HTML元素的对象和属性 以及访问它们的方法. HTML DOM是关于如何获取 修改 添加 或 删除HTML元素的标准. 在js中通过document这个对象提供的方法. HTML DOM 节点信息 HTML DOM节点定义:是DOM结构中最基本的组成单元,每一个HTML标签都是结构的节点,节点也称之为元素.DOM节点也有明确的分类看看下图你就明了: DOM节点信息包括 节点类型(nodeType),节点名称(nodeName) 和 节点值(nodeV
在leetCode看到一题目 Given a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum is equal to the given target. Example 1: Input: 5 / \ 3 6 / \ \ 2 4 7 Target = 9 Output: True Example 2: Input: 5 /
[抄题]: Given a root node reference of a BST and a key, delete the node with the given key in the BST. Return the root node reference (possibly updated) of the BST. Basically, the deletion can be divided into two stages: Search for a node to remove. If