这是一道JavaScript判断日期格式
function isDateString(sDate)
{
var iaMonthDays = [31,28,31,30,31,30,31,31,30,31,30,31]
var iaDate = new Array(3)
var year, month, day if (arguments.length != 1) return false
iaDate = sDate.toString().split("-")
if (iaDate.length != 3) return false
if (iaDate[1].length > 2 || iaDate[2].length > 2) return false year = parseFloat(iaDate[0])
month = parseFloat(iaDate[1])
day=parseFloat(iaDate[2]) if (year < 1900 || year > 2100) return false
if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) iaMonthDays[1]=29;
if (month < 1 || month > 12) return false
if (day < 1 || day > iaMonthDays[month - 1]) return false
return true
}
arguments是什么意思!
function isDateString(sDate)
{
var iaMonthDays = [31,28,31,30,31,30,31,31,30,31,30,31]
var iaDate = new Array(3)
var year, month, day if (arguments.length != 1) return false
iaDate = sDate.toString().split("-")
if (iaDate.length != 3) return false
if (iaDate[1].length > 2 || iaDate[2].length > 2) return false year = parseFloat(iaDate[0])
month = parseFloat(iaDate[1])
day=parseFloat(iaDate[2]) if (year < 1900 || year > 2100) return false
if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) iaMonthDays[1]=29;
if (month < 1 || month > 12) return false
if (day < 1 || day > iaMonthDays[month - 1]) return false
return true
}
arguments是什么意思!
arguments 属性 语言参考
版本 2
请参阅 应用于
--------------------------------------------------------------------------------描述
返回一个数组,包含了传递给当前执行函数的每个参数。
语法
function.arguments[ ]
function 参数是当前执行函数的名称。 说明
通过 arguments 属性,函数可以很好地处理可变数量的参数。 数组的 length 属性包含了传递给函数的参数的数目。
下面的例子说明了 arguments 属性的用法:
function ArgTest()
{
var i, s, numargs = ArgTest.arguments.length;
s = numargs;
if (numargs < 2)
s += " argument was passed to ArgTest. It was ";
else
s += " arguments were passed to ArgTest. They were " ;
for (i = 0; i < numargs; i++)
{
s += ArgTest.arguments[i] + " ";
}
return(s);
}