So don't forget to set your value attributes! Note: If no radio button is selected when the form is submitted, the radio group is not included in the submitted form data at all, since there is no value to report.
It's fairly uncommon to actually want to allow the form to be submitted without any of the radio buttons in a group selected, so it is usually wise to have one default to the checked state. See Selecting a radio button by default below. Let's add a little bit of code to our example so we can examine the data generated by this form.
Then we add some JavaScript to set up an event listener on the submit event, which is sent when the user clicks the "Submit" button:. Try this example out and see how there's never more than one result for the contact group. A Boolean attribute which, if present, indicates that this radio button is the default selected one in the group. Use the autocomplete attribute to control this feature.
If the value is not otherwise specified, it is the string on by default. This is demonstrated in the section Value above. Connect and share knowledge within a single location that is structured and easy to search. I have two radio buttons in one group, I want to check the radio button is checked or not using JQuery, How? Taking some answers one step further - if you do the following you can check if any element within the radio group has been checked:.
Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to check radio button is checked using JQuery? Ask Question. Asked 9 years, 10 months ago. Like all things JavaScript, there are many ways to accomplish the same task. Developer tips and tricks, motivation, discounts and new course launches. No spam, just awesome stuff.
Read the legal things if you fancy it. Build your first NestJS app. We serve cookies on this site to analyze traffic, remember your preferences, and optimize your experience. A newer version of this site just became available. Please refresh this page to activate it. Checking a Radio Button in JavaScript. Learn JavaScript the right way! Fully understand how to manage JavaScript Data Structures with immutable operations 31 pages of deep-dive syntax, real-world examples, tips and tricks Write cleaner and better-structured programming logic within 3 hours.
I think you have the best answer because of this. And for only getting value we could use document. I second what Bharata said, this is the best answer so far. Concise, correct, up-to-date. Amit sharma Amit sharma 1 1 silver badge 4 4 bronze badges. Warning: this code returns the popup warning as soon as the page loads.
Trelamenos Trelamenos 91 1 1 silver badge 1 1 bronze badge. Bradley Flood Bradley Flood 8, 2 2 gold badges 43 43 silver badges 41 41 bronze badges. OlegI OlegI 3, 2 2 gold badges 19 19 silver badges 28 28 bronze badges. I share for whom concern. Hien Nguyen Hien Nguyen I love your answer Hien Nguyen, it was something I was trying to come up with with the idea of using "any ", but I found out that JavaScript only uses "some ".
Please can someone tell me though what the "triple-dot" means? It doesn't work without it. Gene Myers Gene Myers 1, 1 1 gold badge 13 13 silver badges 31 31 bronze badges. Like this because its re usability and simplicity. Also, returned value can be handled by a nice switch statement. This would be valid for radio buttons sharing the same name, no JQuery needed.
Uxio Uxio 1, 11 11 silver badges 12 12 bronze badges. Shafiqur Rahman Md. Shafiqur Rahman 2, 26 26 silver badges 24 24 bronze badges. Return all checked element in the radio button Array. Ashish Ashish 1, 13 13 silver badges 18 18 bronze badges. Claudio Query Claudio Query 1 1 gold badge 4 4 silver badges 13 13 bronze badges.
Rubyist 6, 8 8 gold badges 47 47 silver badges 83 83 bronze badges. Parag Parag 4, 9 9 gold badges 31 31 silver badges 50 50 bronze badges.
You'd have to loop over the elements in the HTMLCollection and see if any of them are checked, as others have suggested.
Christian Juth Christian Juth 2, 1 1 gold badge 16 16 silver badges 32 32 bronze badges. Steve Steve 1 1 1 bronze badge. You could simply do: if! An example: if!
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