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18 paź 2016 · You can use .find() to select checked element: var radio = Array.from(document.querySelectorAll('#rate input')) var value = radio.length && radio.find(r => r.checked).value
14 wrz 2009 · 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 }
Example. Check and un-check a specific radio button: function check () { document.getElementById ("red").checked = true; } function uncheck () { document.getElementById ("red").checked = false; } Try it Yourself ».
5 mar 2024 · To set a radio button to checked/unchecked, select the element and set its checked property to true or false, e.g. myRadio.checked = true. When set to true, the radio button becomes checked and all other radio buttons with the same name attribute become unchecked. Here is the HTML for the examples.
19 maj 2020 · So, how do we set the value and check the radio button? Let’s first explore setting the value pragmatically, through setting the value we want via a string, and secondly we’ll look at querying the specific radio to be checked and manually checking it. Using the RadioNodeList.value property
17 wrz 2024 · The checked property approach uses JavaScript to check if a radio button is selected. By accessing a radio button element with document.getElementById or querySelector, you can evaluate its checked property, which returns true if the button is selected, otherwise false.
25 lip 2024 · <input> elements of type radio are generally used in radio groups—collections of radio buttons describing a set of related options. Only one radio button in a given group can be selected at the same time.
