Javascript DOM HTML Textarea maxLength Property

Introduction

Get the maximum number of characters allowed in a specific text area: 

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

Click the button to display the value of the maxlength attribute in the text area.

View in separate window 

<!DOCTYPE html>
<html>
<body>

Address:<br>
<textarea id="myTextarea" maxlength="30">
PO 1234, Main Street U.S.A.
New York</textarea>
<button onclick="myFunction()">Test</button>

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

<script>
function myFunction() {//from  w  ww  .  ja  v a  2 s  . co m
  var x = document.getElementById("myTextarea").maxLength;
  document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>

The maxLength property sets or gets the value of the maxlength attribute of a text area.

The maxLength attribute specifies the maximum number of characters allowed in a text area.

The maxLength property accepts and returns a number type value.




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