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How do you disable browser Autocomplete on web form field / input tag?
I am building an application which will be accepting credit card data. I would like to make sure that the browser does not remember what has been typed into the text inputs for credit card number. I tried passing the following headers:
header("Expires: Tue, 03 Jul 2001 06:00:00 GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); Still, once the page reloads, I can click the credit card text input field and it will let me see what I wrote in it before. How can I prevent this?
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1 Answer. Show activity on this post. Simply set autocomplete="off" on your input element.
This can be done in a <form> for a complete form or for specific <input> elements: Add autocomplete="off" onto the <form> element to disable autocomplete for the entire form. Add autocomplete="off" for a specific <input> element of the form.
Click the Display tab. Do one of the following: To enable AutoComplete for the text box, select the Enable AutoComplete check box. To disable AutoComplete for the text box, clear the Enable AutoComplete check box.
You can either use the readonly or the disabled attribute. Note that when disabled, the input's value will not be submitted when submitting the form. Also It's important to remind that even using readonly attribute, you should never trust user input which includes form submissions.
<input type="text" autocomplete="off"/> Should work. Alternatively, use:
<form autocomplete="off" … > for the entire form (see this related question).
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