Начало
Формы
Коробки, которыми управляют,
Этот подлинник позволяет checkboxes проверять и непроверять основанный на выборе в другом checkbox.
Please select your favorite class(es):
All
Science
Math
English
Histroy
Other
JavaScript Forms: Коробки, которыми управляют
<!-- TWO STEPS TO INSTALL CONTROLLED BOXES: 1. Copy the coding into the HEAD of your HTML document 2. Add the last code into the BODY of your HTML document --> <!-- STEP ONE: Paste this code into the HEAD of your HTML document --> <HEAD> <SCRIPT LANGUAGE="JavaScript"> <! > <! > <!-- Begin function checkChoice(field, i) { if (i == 0) { // "All" checkbox selected. if (field[0].checked == true) { for (i = 1; i < field.length; i++) field[i].checked = false; } } else { // A checkbox other than "Any" selected. if (field[i].checked == true) { field[0].checked = false; } } } // End --> </script> </HEAD> <!-- STEP TWO: Copy this code into the BODY of your HTML document --> <BODY> <center> Please select your favorite class(es): <form name=pickform> <table> <tr><td> <input type=checkbox name=classes value="*" onclick="checkChoice(document.pickform.classes, 0)" checked>All <br> <input type=checkbox name=classes value="science" onclick="checkChoice(document.pickform.classes, 1)">Science <br> <input type=checkbox name=classes value="math" onclick="checkChoice(document.pickform.classes, 2)">Math <br> <input type=checkbox name=classes value="english" onclick="checkChoice(document.pickform.classes, 3)">English <br> <input type=checkbox name=classes value="history" onclick="checkChoice(document.pickform.classes, 4)">Histroy <br> <input type=checkbox name=classes value="other" onclick="checkChoice(document.pickform.classes, 5)">Other </td></tr> </table> </form> </center> <!-- Script Size: 1.78 KB -->