textarea validation

textarea number of lines validation using jquery

by Vetrivel Samidurai

HTML

<br />
<br />
<form class="lineCount">
textrarea
    <textarea id="countMe" cols="30" rows="5"></textarea><br />
    <input type="submit" value="Test Me">
</form>

<div class="theCount">Lines used: <span id="linesUsed">0</span><div>

JavaScript

$(document).ready(function(){
    
    var lines = "5 Instagram Comment Replies (1-2 days)";
     sd=parseInt(lines);
    alert(sd);
    var linesUsed = $('#linesUsed');
    
    $('#countMe').keydown(function(e) {
        
        newLines = $(this).val().split("\n").length;
        //alert(newLines);
        //linesUsed.text(newLines);
        
        if(e.keyCode == 13 && newLines >= lines) {
           // linesUsed.css('color', 'red');
            return false;
        }
        else {
            //linesUsed.css('color', '');
        }
    });
    
    
    $("#countMe").blur(function(){
    
      newLines = $("#countMe").val().split("\n").length;
      if(newLines < sd)
      {
      alert("pls enter "+sd+ " comments");
      }
      else
      {
      alert("you entered full");
      }
      
       // alert(newLines);
        //linesUsed.text(newLines);
    
  });
    
    
});