radio-button

How can I check whether a radio button is selected with JavaScript?

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Let’s pretend you have HTML like this <input type=”radio” name=”gender” id=”gender_Male” value=”Male” /> <input type=”radio” name=”gender” id=”gender_Female” value=”Female” /> For client-side validation, here’s some Javascript to check which one is selected: if(document.getElementById(‘gender_Male’).checked) { //Male radio button is checked }else if(document.getElementById(‘gender_Female’).checked) { //Female radio button is checked } The above could be made more efficient depending … Read more

how to set radio option checked onload with jQuery

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Say you had radio buttons like these, for example: <input type=”radio” name=”gender” value=”Male”> <input type=”radio” name=”gender” value=”Female”> And you wanted to check the one with a value of “Male” onload if no radio is checked: $(function() { var $radios = $(‘input:radio[name=gender]’); if($radios.is(‘:checked’) === false) { $radios.filter(‘[value=Male]’).prop(‘checked’, true); } });

In jQuery, how do I select an element by its name attribute?

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This should do it, all of this is in the documentation, which has a very similar example to this: $(“input[type=”radio”][name=”theme”]”).click(function() { var value = $(this).val(); }); I should also note you have multiple identical IDs in that snippet. This is invalid HTML. Use classes to group set of elements, not IDs, as they should be … Read more

How to bind RadioButtons to an enum?

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You can further simplify the accepted answer. Instead of typing out the enums as strings in xaml and doing more work in your converter than needed, you can explicitly pass in the enum value instead of a string representation, and as CrimsonX commented, errors get thrown at compile time rather than runtime: ConverterParameter={x:Static local:YourEnumType.Enum1} <StackPanel> … Read more

How to use the “required” attribute with a “radio” input field

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TL;DR: Set the required attribute for at least one input of the radio group. Setting required for all inputs is more clear, but not necessary (unless dynamically generating radio-buttons). To group radio buttons they must all have the same name value. This allows only one to be selected at a time and applies required to … Read more

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