Q1539 How can I have a realtime character counter for a textarea?

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Q1539 How can I have a realtime character counter for a textarea?

Try:

<body onLoad="document.myForm.smsInput.focus()">

<form NAME="myForm">

<input type="text" name="count" value="160" size="3" onFocus="this.blur" readonly>

<br>

<textarea rows="5" cols="50" name="smsInput" wrap
onKeyUp="
val = this.value; 
if (val.length > 160) {
  alert('Sorry, you are over the limit of 160 characters');
  this.value = val.substring(0,160);
  smsInput.focus()
}
this.form.count.value=160-parseInt(this.value.length);
"></textarea>

</form>

</body>

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