Script Categories













Forms >>> Line Wrapper.

Wraps entries in a textarea box to whatever number of characters per line you want. For example, The script can automatically insert a return after each 50 spaces, so that the form contents you receive are more readable.





Add the below code to the <body> section of your page:

<script language="javascript" type="text/javascript">
/* Visit http://www.yaldex.com/ for full source code
and get more free JavaScript, CSS and DHTML scripts! */
<!-- Begin
function showLines(max, text) {
max--;
text = "" + text;
var temp = "";
var chcount = 0;
for (var i = 0; i < text.length; i++) // for each character ...
{
var ch = text.substring(i, i+1); // first character
var ch2 = text.substring(i+1, i+2); // next character
if (ch == '\n') // if character is a hard return
{
temp += ch;
chcount = 1;
}
else
{
if (chcount == max) // line has max chacters on this line
{
temp += '\n' + ch; // go to next line
chcount = 1; // reset chcount
}
else  // Not a newline or max characters ...
{
temp += ch;
chcount++; // so add 1 to chcount
      }
   }
}
return (temp); // sends value of temp back
}
//  End -->
</script>
<form name=form1>
<textarea
name=text1 rows=15 cols=50>This is just an example of a long textbox entry that just went on and on and on and on.....  The visitor did not hit <enter> when entering this information so it continued off the right side of the textarea box.  Notice that hitting <enter> after each line, like this:
This is on another line
And so is this one.....

Still wraps correctly!
</textarea><br>
<input type=button value="Wrap Lines to 50 Spaces"
onClick="this.form.text1.value = showLines(50, this.form.text1.value)">

<br><br>

<textarea name=text2 rows=15 cols=50 wrap=virtual>This is another example, but this time the textarea box has the "wrap=virtual" attribute, which makes each line wrap in the box rather than scrolling out the right side.  The script also correctly deals with this type of box.  Like before, notice that hitting <enter> after each line, like this:

This is on another line
And so is this one.....

Still wraps correctly!
</textarea><br>
<input type=button value="Wrap Lines to 50 Spaces"
onClick="this.form.text2.value = showLines(50, this.form.text2.value)">
</form>

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