JSFiddle - React, Tailwind, and code Playground

HTML

<input id="IBE1_IBE_NurFlug1_RadioButtonList1_0" name="IBE1$IBE_NurFlug1$RadioButtonList1" value="Blue" type="radio"><label for="IBE1_IBE_NurFlug1_RadioButtonList1_0">Blue</label>
    <input id="IBE1_IBE_NurFlug1_RadioButtonList1_1" name="IBE1$IBE_NurFlug1$RadioButtonList1" value="Green" checked="checked" type="radio"><label for="IBE1_IBE_NurFlug1_RadioButtonList1_1">Green</label>

JavaScript

var val = $("input[name='IBE1$IBE_NurFlug1$RadioButtonList1']:checked").val();
if(val === "Blue") {
  alert("The value is Blue");
} else {
  alert("The value is Green");
}