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<!--> <!DOCTYPE> <a> <abbr> <acronym> <address> <applet> <area> <article> <aside> <audio> <b> <base> <basefont> <bdi> <bdo> <big> <blockquote> <body> <br> <button> <canvas> <caption> <center> <cite> <code> <col> <colgroup> <command> <datalist> <dd> <del> <details> <dfn> <dialog> <dir> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <font> <footer> <form> <frame> <frameset> <head> <header> <hgroup> <h1> - <h6> <hr> <html> <i> <iframe> <img> <input> <ins> <kbd> <keygen> <label> <legend> <li> <link> <map> <mark> <menu> <meta> <meter> <nav> <noframes> <noscript> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <rp> <rt> <ruby> <s> <samp> <script> <section> <select> <small> <source> <span> <strike> <strong> <style> <sub> <summary> <sup> <table> <tbody> <td> <textarea> <tfoot> <th> <thead> <time> <title> <tr> <track> <tt> <u> <ul> <var> <video> <wbr>HTML <input> readonly Attribute
Example
An HTML form with a read-only input field:
<form
action="demo_form.asp">
Country: <input type="text" name="country" value="Norway" readonly><br>
<input type="submit" value="Submit">
</form>
Country: <input type="text" name="country" value="Norway" readonly><br>
<input type="submit" value="Submit">
</form>
Try it yourself »
Browser Support
The readonly attribute is supported in all major browsers.
Definition and Usage
The readonly attribute is a boolean attribute.
When present, it specifies that an input field is read-only.
A read-only input field cannot be modified (however, a user can tab to it, highlight it, and copy the text from it).
The readonly attribute can be set to keep a user from changing the value until some other conditions have been met (like selecting a checkbox, etc.). Then, a JavaScript can remove the readonly value, and make the input field editable.
Differences Between HTML 4.01 and HTML5
NONE.
Differences Between HTML and XHTML
In XHTML, attribute minimization is forbidden, and the readonly attribute must be defined as <input readonly="readonly" />.
Syntax
<input readonly>
HTML <input> tag
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