javascript function to get the value of radio [tested]_javascript skills

<input name="R1" type="radio" value="1">1 <input name="R1" type="radio" value="2">2 <input name="R1" type="radio" value="3">3 <input name="R1" type="radio" value="4">4 <input type="BUTTON" value="确定" onclick="SelR1();">
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Second method, idea Same as the first one

Copy code

The code is as follows:

//Preview function
var colorid="";
function ShowTemp() {
var eless = document.getElementsByName("colorStyle");
for(var i=0;i// alert(eless[i].checked eless[i].name eless[i].id);
if(eless[i].checked)
{
colorid=eless[i] .value;
break;
}
}
alert(colorid "--");
}