使用js为下拉框赋值

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1 function addItemmonth() {
2 
3         var tOption = document.createElement("Option");
4         tOption.text = "月明显";
5         tOption.selected = true;
6         tOption.value = document.all("DropDownList3").options.length + 1;
7         document.all("DropDownList3").add(tOption);
8 
9     }

 

posted @ 2012-06-12 11:14  笨笨的菜鸟  阅读(16483)  评论(0)  编辑  收藏  举报