gvim-set-cursor-position-js.html

<!-- view ruby vrome --> 

<textarea onkeyup="getLineNumberAndColumnIndex(this);" id="txt" rows="14" cols="60" style="background-color: black; color: white;">
asdsadh

das
d


d
as
dsa

d

asdas
</textarea>

<script>
function setSelectionRange(input, selectionStart, selectionEnd) {
  if (input.setSelectionRange) {
    input.focus();
    input.setSelectionRange(selectionStart, selectionEnd);
  }
  else if (input.createTextRange) {
    var range = input.createTextRange();
    range.collapse(true);
    range.moveEnd('character', selectionEnd);
    range.moveStart('character', selectionStart);
    range.select();
  }
}

function setCaretToPos (input, pos) {
  setSelectionRange(input, pos, pos);
}

function getLineNumberAndColumnIndex(textarea){
     var textLines = textarea.value.substr(0, textarea.selectionStart).split("\n");
     var currentLineNumber = textLines.length;
     var currentColumnIndex = textLines[textLines.length-1].length;
     console.log("Current Line Number "+ currentLineNumber+" Current Column Index "+currentColumnIndex );
  }

setCaretToPos(document.getElementById('txt'), 14, 10);
</script>