Uncaught TypeError: Cannot read properties of undefined (reading 'nodeName')

Uncaught TypeError: Cannot read properties of undefined (reading 'resizing')
Uncaught TypeError: Cannot read properties of undefined (reading 'nodeName')

用代码块功能插入代码，请勿粘贴截图

无法读取 未定义得属性 nodeName 你肯定获取 dom时 dom没获取到 。

可以做个 非空判断 obj就是你获取得dom元素
if(obj.nodeName){
obj.nodeName=xxx
}