Show how many characters remaining in a html text box using javascript:
The following javascript will help you to show how many characters are remaining for a textbox or textarea, The label placed next to the text box shown the number of character remaining.
<script type="text/javascript">
function txtCounters(id,max_length,myelement)
{
counter = document.getElementById(id);
field = document.getElementById(myelement).value;
field_length = field.length;
if (field_length <= max_length) {
//Calculate remaining characters
remaining_characters = max_length-field_length;
//Update the counter on the page
counter.innerHTML = remaining_characters; }
} </script>
<label for="txtName">Enter Your Text : </label>
<input type="text" id="txtName" size="50" maxlength="50" onkeyup="javascript:txtCounters('txtCounter',50,'txtName')"> <div id="txtCounter"><b>50</b></div>characters remaining.
function txtCounters(id,max_length,myelement)
{
counter = document.getElementById(id);
field = document.getElementById(myelement).value;
field_length = field.length;
if (field_length <= max_length) {
//Calculate remaining characters
remaining_characters = max_length-field_length;
//Update the counter on the page
counter.innerHTML = remaining_characters; }
} </script>
<label for="txtName">Enter Your Text : </label>
<input type="text" id="txtName" size="50" maxlength="50" onkeyup="javascript:txtCounters('txtCounter',50,'txtName')"> <div id="txtCounter"><b>50</b></div>characters remaining.
50
|
chars remaining. |
0 comments:
Post a Comment
Share your thoughts here...