date.getMonth()-- 返回date对象中的月份数(0-11) 

getMonth函数语法

date.getMonth();

getMonth函数返回值

• 返回date对象的月份数
• 此值为0(一月)-11(12月)之间的整数

getMonth函数示例

var d = new Date();
document.write(d.getMonth());

返回数字形式的月份

var d = new Date();
switch(d.getMonth())
{
        case 0:
        {
                document.write("一月");
        }
        break;
        case 1:
        {
                document.write("二月");
        }
        break;
        case 2:
        {
                document.write("三月");
        }
        break;
        case 3:
        {
                document.write("四月");
        }
        break;
        case 4:
        {
                document.write("五月");
        }
        break;
        case 5:
        {
                document.write("六月");
        }
        break;
        case 6:
        {
                document.write("七月");
        }
        case 7:
        {
                document.write("八月");
        }
        break;
        case 8:
        {
                document.write("九月");
        }
        break;
        case 9:
        {
                document.write("十月");
        }
        break;
        case 10:
        {
                document.write("十一月");
        }
        break;
        case 11:
        {
                document.write("十二月");
        }
        break;
        default:
        {
                document.write("发生错误");
        }
}

使用switch返回中文的月份

var monthes = new Array("一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月");
month = d.getMonth();
document.write("本月是"+monthes[month]);

使用JavaScript数组返回中文的月份