如何使用FileReader（）导入本地文本文件以填充下拉列表

I'm kind of stuck on a problem, I’m trying to import a text file from my local computer to JavaScript and populate HTML drop down's according to the text file. I have spent a lot of time looking at similar questions on stack overflow and i haven't found the solution to the problem yet. Here is an example of what the text file looks like:I'm kind of stuck on a problem, I’m trying to i