Javasipt: Detailed explanation of operating radio tags_javascript skills

1. HTML code:

Copy code The code is as follows:

 

                                             < ;Disagree the most

                                  Code

The code is as follows:

var opinionCategory = document.getElementsByName('opinionCategory');
var opinionCategoryValue = 1;

for(var i=0;i if(opinionCategory[i]. checked){ opinionCategoryValue = opinionCategory[i]. value; } 🎜> The code is as follows :

var form = document.getElementById('userOpinionForm');

var num = 0; for(var i=0;i if(form.opinionCategory[i].checked){
num ;