function app2(x,y)
{ var sum,x,y;
sum = x * y;
return sum;
}
var req1=app2(5,6);
var req2=app2(2,3);
var sumq=req1+req2;
document.write("req1的值:"+req1+"<br/>");
document.write("req2的值:"+req2+"<br/>");
document.write(req1+"与"+req2+"和:"+sumq);
function checkone(){
var j=document.getElementById("wb").value;
// 任务3
var hobby = document.getElementsByName("hobby");
hobby[j-1].checked=true;
<script type="text/javascript">
var mystr="Hello World!";
var mynum=mystr.indexOf("o");
document.write(mystr.indexOf("o",mynum+1));
</script>
switch(myweek)
{
case 1:
case 2:
document.write("学习理念知识");
break;
case 3:
case 4:
document.write("到企业实践");
break;
case 5:
document.write("总结经验");
default:
document.write("周六、日休息和娱乐");
}
{
case 1:
case 2:
document.write("学习理念知识");
break;
case 3:
case 4:
document.write("到企业实践");
break;
case 5:
document.write("总结经验");
break;
case 6:
case 7:
document.write("周六、日休息和娱乐");
}
