3.2.htm

精通JavaScript动态网页编程（书）

<script language="javascript">
<!--
var hello = "你好，";                    //为hello赋值为字符串
var say = "欢迎光临！";                  //为say赋值为字符串
var welcome = hello+"朋友！"+say;     //字符串变量与字符串常量连接
alert(welcome);                          //结果输出
//-->
</script>