📄 check_unselected_radio_buttons.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>The JavaScript Anthology: Checking for unselected radio buttons</title> <script type="text/javascript" src="scripts/check_unselected_radio_buttons.js"></script> <link rel="stylesheet" type="text/css" href="css/check_unselected_radio_buttons.css" /> </head> <body> <h1> Checking for unselected radio buttons </h1> <form id="characterForm" action=""> <fieldset> <legend>Characters</legend> <p> My favorite character is: </p> <input type="radio" id="characterA" name="character" value="Marvin" /> <label for="characterA"> Marvin </label> <input type="radio" id="characterB" name="character" value="Trillian" /> <label for="characterB"> Trillian </label> <input id="submit" type="submit" value="Submit" /> </fieldset> </form> </body></html>⌨️ 快捷键说明
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