I need to remove autocomplete in all the textbox with in my page so I have given < input name="txt_username" id="txt_username" type="text" value="" autocomplete="off" /></dd></dl>
But it's not working does anyone know this?
Autocomplete, unless you're doing something crazy with AJAX, is a client-side thing and you can't always control it like that.
Since autocomplete works by caching your previous entries for a specific input text name , many banks randomly generate the input text name at each form page load but keep track of what is generated either somewhere else in a hidden input element or on the server side.
So instead of
<input name="txt_username" id="txt_username" type="text" value="" autocomplete="off" />
It might be something like
<input type="text" name="f6Lx571p" id="txt_username"/>
<input type="hidden" name="username_key" value="f6Lx571p" />
And the server-side code adjusted accordingly. For example, PHP code might have looked like:
<?php
$user = $_POST['txt_username'];
...
but it would have to be changed to something like:
<?php
$user = $_POST[$_POST['username_key']];
...
Its a bit annoying, but it works.
You can also try placing that autocomplete
attribute on the form element.
<form id="myForm" autocomplete="off">
...
</form>
This will probably invalidate your HTML so you might want to consider adding this attribute dynamically with JavaScript.
Autocomplete cannot be turned off, it's something from the browser. What I do if I want to turn off autocomplete is the following:
Start a session with a field name and random number:
session_start();
$_SESSION['strUsername'] = "username_" . mt_rand(0, 1000000);
Now use this variable as the field's name:
name="' . $_SESSION['strUsername'] . '" id="txt_username" type="text" value="" autocomplete="off" /></dd></dl>
To check the value of the field simply use
$username = $_POST[$_SESSION['strUsername']];
Now, the name will be random everytime, so the browser will not recognize the field and will not give the autocompletion.
自动完成无法关闭,这是来自浏览器的东西,但我认为这必须有所帮助: <input type="password" name="password" readonly onfocus="this.removeAttribute('readonly')">
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