怎么把下面f()里面的num传给①？

Question

<s:hidden name="sc" value="①"/>javaScriptfunction f(){num=2;}

Answer 1

<s />添加id
<s :hidden name="sc" value="1" id="a"/>
然后在f（）里加上var temp=document.getElementById('a');
temp.value=num;
就ok了 so easy

Answer 2

function f(){
num=2;
document.getElementByName('sc').value=num;
}