JS代码，对表单中的输入框进行上下移动的人工操作排序，选择好要移动的输入框后，点击按钮，即可看见输入框上下进行移动了。-JS code, the input box on the form to move up and down manual sorting and selected to move the input box, click the button, you can see the input box to move up and down.