Uncheck Radiobutton/radiogroup On Button Click - Android

I am using radiobuttons in my radiogroup and each radiogroup is generated dynamically. I want all radiogroup unchecked in more specific I want all radiobuttons in radiogroup should

Solution 1:

The best approach for a simple task like this does not needs a full JavaScript library like jQuery.

document.getElementById("main2").addEventListener("click", function()
{
    document.getElementById("subCheckButtons").style.opacity = 1;
}, false);
document.getElementById("main1").addEventListener("click", function()
{
    document.getElementById("subCheckButtons").style.opacity = 0;
    document.getElementById("sub1").checked = false;
    document.getElementById("sub2").checked = false;
}, false);

<inputtype="radio"id="main1"name="main" /><inputtype="radio"id="main2"name="main" /><divid="subCheckButtons"style="opacity:0;"><inputtype="radio"id="sub1"name="sub"class="subCheck" /><inputtype="radio"id="sub2"name="sub"class="subCheck" /></div>