一个月的一天

< script language =" JavaScript"> var daym = addZ（mydate.getDate（））; 和以下''if''语句是多余的。 var week1array = new Array （No Meeting，Surrey，Cloverdale，No Meeting，Langley，No Meeting，No Meeting）您可能会发现维护更容易初始化数组： var week1array = [ No Meeting， Surrey， Cloverdale， No Meeting， Langley，没有会议，没有会议 ] 也许它已经生成了代码所以没关系... va r week2array = new Array（No Meeting，No Meeting，Whiterock，Abbotsford，Hope，No Meeting，No Meeting） if（（daymtom）< 8） {document.write（" ;" + week1array [tom] +""）} if if（（daymtom）< 15） {document .write（"" + week2array [tom] +"< ; / small>"）} if if（（daymtom）< 22） {document.write（"" + week1array [tom] +""）} if if（（daymtom）< 29） {document.write（"" + week2array [tom] +" "）} else {document.write（" No Meeting"）} 会议从未在29日，30日或31日召开？ } 有多种规则可以确定你/ b 的月哪个星期，确保用户了解你的算法是什么正在使用。在我看来你的周数由下式给出： var weekNum = Math.floor（（daymtom-1）/ 7）+ 1 ; 你对28岁以上的日期做了什么？ [...] - Rob RobG写道： [snip] 你可能想用添加前导零的函数：函数addZ（n）返回（x } 确保n总是以字符串形式返回（如果这是你想要的）。函数addZ（n） { return（n< 10）？ ''0''+ n：''''+ n; } Jambalaya写道：函数addZ（n） {返回（n< 10）？ ''0''+ n：''''+ n; } 压缩，娱乐：函数addZ（n）{return（n< 10&&''0''）+ n} - Matt Kruse http://www.JavascriptToolbox.com http://www.AjaxToolbox.com I have a page which lists of locations of meetings that occur on specificdays of the week (every 1st and 3rd Thursday the meeting is in Langley - asan example)The following code works for when it is the day of the week, but I have aproblem when I list tomorrows meeting and today''s date is the last day ofthe week - it will not recognise the 1st day of the next moth as beingtomorrows date.I know this is probably very crude, but this is what I have been using - anyideas???<script language="JavaScript"></script> 解决方案 Prophet wrote: I have a page which lists of locations of meetings that occur on specific days of the week (every 1st and 3rd Thursday the meeting is in Langley - as an example) The following code works for when it is the day of the week, but I have a problem when I list tomorrows meeting and today''s date is the last day of the week - it will not recognise the 1st day of the next moth as being tomorrows date.That is because you get today''s date, then if it''s less than 10 youconvert it to a a string, otherwise you keep it as a number. I know this is probably very crude, but this is what I have been using - any ideas??? <script language="JavaScript">The language attribute is deprecated, type is required:<script type="text/javascript"> <!--HTML comment delimiters inside script elements serve no useful purposeand are potentially harmful - just don''t use them. function tomorrow() { var mydate=new Date() var day=mydate.getDay() var daym=mydate.getDate() if (daym<10) daym="0"+daym var tom=day+1If tom should be the day number for tomorrow:var tom = (day + 1)%7; var daymtom=daym+1If daymtom should be tomorrow''s date:mydate.setDate(mydate.getDate() + 1);var daymtom = mydate.getDate();mydate has now been set to tomorrow, but you don''t use it anymore soit should be OK.You may want to use a function to add the leading zero:function addZ(n){return (x<10)? ''0''+x : ''''+x;}Ensures n is always returned as a string (if that''s what you want).Now the line:var daym=mydate.getDate()becomes:var daym = addZ(mydate.getDate());and the following ''if'' statement is redundant. var week1array=new Array("No Meeting","Surrey","Cloverdale","No Meeting","Langley","No Meeting","No Meeting")You may find it easier for maintenance to initialise arrays:var week1array = ["No Meeting","Surrey","Cloverdale","No Meeting","Langley","No Meeting","No Meeting"]Maybe it''s generated code so it doesn''t matter... var week2array=new Array("No Meeting","No Meeting","Whiterock","Abbotsford","Hope","No Meeting","No Meeting") if ((daymtom)<8) {document.write(""+week1array[tom]+"")} else if ((daymtom)<15) {document.write(""+week2array[tom]+"")} else if ((daymtom)<22) {document.write(""+week1array[tom]+"")} else if ((daymtom)<29) {document.write(""+week2array[tom]+"")} else {document.write("No Meeting")}Are meetings never held on the 29th, 30th or 31st? }There are a variety of rules to determine which week of the month youare in, make sure users understand what algorithm you are using.Seems to me your week number is given by:var weekNum = Math.floor((daymtom-1)/7) + 1;What do you do for dates beyond 28?[...]--RobRobG wrote:[snip] You may want to use a function to add the leading zero: function addZ(n) { return (x<10)? ''0''+x : ''''+x; } Ensures n is always returned as a string (if that''s what you want).function addZ(n){return (n<10) ? ''0''+n : ''''+n;} Jambalaya wrote: function addZ(n) { return (n<10) ? ''0''+n : ''''+n; }compacting, for amusement:function addZ(n){return (n<10&&''0'')+n}--Matt Kruse http://www.JavascriptToolbox.com http://www.AjaxToolbox.com 这篇关于一个月的一天的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！上岸，阿里云！