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Show textarea if checkbox is checked?

Thread began 10/14/2013 4:41 am by Nathon Jones Web Design | Last modified 10/16/2013 12:58 pm by Nathon Jones Web Design | 5450 views | 8 replies

Jason ByrnesWebAssist

you could put the text area into a span, and have the JS function change the style of the span by ID.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
<html xmlns="">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
function toggleTextArea() {
var theForm = document.form1;
var theCheck = theForm.checkbox;
var theTextArea = document.getElementById('textAreaSpan');
if(theCheck.checked == true) { = "block";
} else { = "none";

<form id="form1" name="form1" method="post" action="">
<label for="textfield"></label>
<input type="text" name="textfield" id="textfield" />
<input name="checkbox" type="checkbox" id="checkbox" onchange="toggleTextArea();" value="1"/>
<label for="checkbox"></label>
<span style="display: none;" id="textAreaSpan"><label for="textfield2">label for text area</label>
<textarea name="textfield2" rows="8" id="textfield2"></textarea></span>

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