Sometimes, we would like to allow submitting a form only if one or at least one check box is checked. In this tip, I would like to show you how to do this using jQuery. The following script is making sure that the submit button is only active or enabled when at least one checkbox is selected. HTML.
How can I get a checkboxs value in jQuery? AnswersThe only correct ways of retrieving a checkboxs value is as following. if ( elem. checked ) if ( ( elem ).prop( "checked" ) ) if ( ( elem ).is( ":checked" ) ). Below is checkbox created/displayed without jquery. If checkbox value changes, then value in ischeckboxchanged0 changes to 1. All works.I have the following in my html form: