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The checked property sets or returns the checked state of a radio button. This property reflects the HTML checked attribute.
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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 }
Aby sprawdzić poprawność po stronie klienta, oto JavaScript, aby sprawdzić, który jest wybrany: if(document.getElementById('gender_Male').checked){//Male radio button is checked}elseif(document.getElementById('gender_Female').checked){//Female radio button is checked}
17 wrz 2024 · To check whether a radio button is selected with JavaScript, you can use the checked property to determine if a radio button within a group is selected. This is commonly used in forms to validate user choices, ensuring the correct options are chosen before submission.
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.
It seems the item.checked property of a HTML radio button cannot be changed with JavaScript in Internet Explorer, or in some older browsers. I also tried setting the "checked" attribute, using: item.setAttribute("checked", ""); I know the property can be set by default, but I need just to change the checked attribute at runtime.
25 lip 2024 · Additional attributes. In addition to the common attributes shared by all <input> elements, radio inputs support the following attributes. checked. A Boolean attribute which, if present, indicates that this radio button is the default selected one in the group.
