JS简单教程
使用方法：放到任意html页面的head标签下
Test1方法弹出当前时间对话框
Test2方法for循环输出
Test3方法for（…in…）输出数组内容
<script type="text/javascript">
var a = 10;
var b = 11;
if (a < b)
{
document.write("hello man")
}
else
{
document.write("hello world");
}
function test1()
{
var mydata = new Date();
//x = a * b;
alert(mydata);
}
function test2(a)
{
for(var i=0;i<a;i++)
{
document.write("The number is" + i);
}
}
function test3()
{
var a;
var listtest = new Array();
listtest[0] = "a1";
listtest[1] = "a2";
listtest[2] = "a3";
for(a in listtest)
{
document.write(listtest[a]+"<br/>");
}
}
</script>