如何在另一个文本区域中显示文本区域和可编辑 div 中突出显示的文本的 position？

Question

Can someone please help to modify the following code to run as simple js function from a button, and show the the highlighted text and its position in another textarea? I've tried to use the variables appearing in console.log. But it didn't work. the source of the code

https://stackoverflow.com/questions/60359921/how-to-get-highlighted-text-position-from-textarea

Answer 1

I simply tried to reuse the variable, but it didn't work. document.getElementById("n3").value = startPos;