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JS & DOM Reference

Overview

JavaScript Objects

JS Array JS Boolean JS Date JS Math JS Number JS String JS RegExp JS Global

Browser Objects

Window Navigator Screen History Location

Core DOM Objects

DOM Node DOM NodeList DOM NamedNodeMap DOM Document DOM Element DOM Attr

HTML DOM Objects

DOM Document DOM Events DOM Elements
DOM Anchor DOM Area DOM Base DOM Body DOM Button DOM Form DOM Frame/IFrame DOM Frameset DOM Image DOM Input Button DOM Input Checkbox DOM Input File DOM Input Hidden DOM Input Password DOM Input Radio DOM Input Reset DOM Input Submit DOM Input Text DOM Link DOM Meta DOM Object DOM Option DOM Select DOM Style DOM Table DOM td / th DOM tr DOM Textarea

Textarea readOnly Property

Textarea Object

Definition and Usage

The readOnly property sets or returns whether the contents of a text area is read-only.

In a read-only text area, the content cannot be changed, but a user can tab to it, or highlight and copy the content from it.

Syntax

Set the readOnly property:

textareaObject.readOnly=true|false

Return the readOnly property:

textareaObject.readOnly

Value	Description
true	Specifies that the text area is read-only
false	Specifies that the text area is changeable. This is default

Browser Support

The readOnly property is supported in all major browsers.

Example

Set the text area to be read-only:

<html>
<head>
<script>
function displayResult()
{
document.getElementById("myTextarea").readOnly=true;
}
</script>
</head>
<body>

<textarea id="myTextarea" cols="20">
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</textarea>
<br>

<button type="button" onclick="displayResult()">Make text area read-only</button>

</body>
</html>

Textarea Object