Function followPath

followPath(from: undefined | Element, ...path: readonly (string | number)[]): Element | undefined
Walk through a path into an XML (or similar) document.

Note that tag names must be unique. If you have an element like
```
  <parent>
    <twin />
    <twin />
    <unique />
  </parent>
```
and you say followPath(parent, "twin") the result will be undefined because we don't know which twin to return. followPath(parent, "unique") will return the last child element.

Returns
The requested Element, or undefined if there were any problems.
Parameters
- from: undefined | Element
  
  Start from this element.
- Rest ...path: readonly (string | number)[]
  
  A list of instructions, like 0 to take the first child element or a string to look for an element with that tag name.
Returns Element | undefined
- Defined in misc.ts:128