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HTML for sample text field
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Type your name: <input type="text" name="username" value="nobody" size=20 maxlength=40>
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What shows on the browser window is
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Type your name: nobody
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The typing box is of length 20 characters (default=20) and will scroll up to a max of 40 characters (default=unlimited). The value, size and maxlength fields are optional - "nobody" is the initial value in this case.
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What is sent to the CGI program is the name and value pair: username=<whatever the user typed>
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The password field is the same, except that whatever the user types is not shown, <input type="password" . . .>
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The hidden field is the same, except that nothing shows on the browser, <input type="hidden" . . .>. This is a technique for one CGI program to pass data to another.
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