Javascript DOM HTML Textarea cols Property get

Introduction

Get the width of the text area, in characters: 

var x = document.getElementById("myTextarea").cols;

Click the button to display the value of the cols attribute of the text area.

View in separate window 

<!DOCTYPE html>
<html>
<body>

<textarea id="myTextarea" rows="4" cols="50">
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</textarea>
<button type="button" onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {//from w  ww .j  av a 2s.c o m
  var x = document.getElementById("myTextarea").cols;
  document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>



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