Display line number in textarea

问题

I want to display the line number in a textarea like this is possible in jQuery:

I looked for answers on SO but I can't find what I want

Display current line and column number for a textarea

Limit number of lines in textarea and Display line count using jQuery

Also, the solution I tried from the JSFiddle provided from the comments show me the textarea like this:

which line 1234 is the first line and the second line is 5678

回答1:

Download the plugin found here: http://alan.blog-city.com/jquerylinedtextarea.htm

Usage:

$(function() {

  // Target all classed with ".lined"
  $(".lined").linedtextarea(
    {selectedLine: 1}
  );

  // Target a single one
  $("#mytextarea").linedtextarea();

});

Fully functional demo: http://files.aw20.net/jquery-linedtextarea/jquery-linedtextarea.html (web.archive)

来源：https://stackoverflow.com/questions/8431670/display-line-number-in-textarea