Specify and Limit number of lines in textarea and display line count using jQuery?

Html: Lines used: 0 js: $(document). Ready(function(){ var lines = 10; var linesUsed = $('#linesUsed'); $('#countMe'). Keydown(function(e) { newLines = $(this).val().

Split("\n"). Length; linesUsed. Text(newLines); if(e.

KeyCode == 13 && newLines >= lines) { linesUsed. Css('color', 'red'); return false; } else { linesUsed. Css('color', ''); } }); }); fiddle: http://jsfiddle.net/XNCkH/17.

Samuel Liew, thank you so very much! I'm sure this will be helpful to a lot of people. – chainwork Jun 28 at 15:21 The return false does not seem to be working when I paste in a large number of lines.Is there a way this can be modified to ensure a user cannot submit the form if the number of allowed lines has been exceeded?

– chainwork Jun 28 at 16:04.

Regarding your other comment on the other answer, try this: if(e. KeyCode == 13 && newLines >= lines) { linesUsed. Css('color', 'red'); $(this).

Parents('form'). Submit(function() { return false; }); return false; } else { linesUsed. Css('color', ''); $(this).

Parents('form'). Submit(function() { return true; }); }.

That works Sam, I just added one more return true; in the else. – chainwork Jun 28 at 16:21 1 That shouldn't be necessary, because it returns null by default, which allows the next enter key. In the original code, the return false prevents the enter key from being pressed if there are already maximum number of line breaks.

– Samuel Liew Jun 29 at 1:49 thanks, this helped me too – Samuel Liew Jul 2 at 8:07.

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