JavaScript: Show Hide TextBox on RadioButton click

Adnaan

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User: Adnaan
Posted: on Feb 24, 2025 12:30 PM
Forum: JavaScript
Answer: 1
Views: 1505

How to show hide TextBox on RadioButton click in JavaScript?

<span>Do you have Passport?</span>
<input id="rbYes" type="radio" name="confirm" value="Yes" />Yes
<input id="rbNo" type="radio" name="confirm" value="No" />No
<hr />
<input id="txtPassportNumber" type="text" style="display:none" />

When click yes the show the TextBox else hide.

dharmend...

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ANSWER
User: dharmendr
Replied: on Feb 24, 2025 12:36 PM
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Hi Adnaan,

On Yes RadioButton click, set the TextBox style display attrubute to block else none.

Refer below example.

HTML

<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <style type="text/css">
        body { font-family: Arial; font-size: 10pt; }
    </style>
</head>
<body>
    <span>Do you have Passport?</span>
    <input id="rbYes" type="radio" name="confirm" value="Yes" onclick="ShowHideTextBox()" />Yes
    <input id="rbNo" type="radio" name="confirm" value="No" onclick="ShowHideTextBox()" />No
    <hr />
    <input id="txtPassportNumber" type="text" style="display:none" />
    <script type="text/javascript">
        function ShowHideTextBox() {
            document.getElementById("txtPassportNumber").style.display
                = document.getElementById("rbYes").checked ? "block" : "none";
        }
    </script>
</body>
</html>

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JavaScript: Show Hide TextBox on RadioButton click

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