Archive for March, 2008
how to create html element dynamically in javascript
var itemManCnt=2; function addMoreHomeImage() { if(itemManCnt==6) { alert("You can upload only 5 files"); return false; } var parentObj=document.getElementById('FileElementItem'); var divClrBoth = document.createElement("div"); divClrBoth.setAttribute("class","ClrBoth"); divClrBoth.setAttribute("id",itemManCnt); var divClrSelect = [...]
file type validation in javascript
function isValidfile(filename) { file_value = filename; var checkfile = file_value.toLowerCase(); if (!checkfile.match(/(\.doc|\.DOC|\.pdf|\.PDF)$/)) { return false; } else { return true; } }
image validation in javascript
function isValidImage(imagename) { imagefile_value = imagename; var checkimg = imagefile_value.toLowerCase(); if (!checkimg.match(/(\.jpg|\.gif|\.png|\.JPG|\.GIF|\.PNG|\.jpeg|\.JPEG)$/)) { return false; } else { return true; } }
To calculate date difference between two given dates
function timeDifference(startDate,endDate) { date1 = startDate; date2 = endDate; laterdate = date1.split("-"); laterY=laterdate; laterM=laterdate; laterD=laterdate; earlierdate = date2.split("-"); earlierY=earlierdate; earlierM=earlierdate; earlierD=earlierdate; var laterdate = new Date(laterY,laterM,laterD); var earlierdate = new [...]
To check whether given date is less than current date
function IslessThanCurrentYear(year) { var d = new Date(); currentyear = d.getFullYear(); if (year>currentyear) { return false; } else { return true; } }
To check leap year
function IsLeapYear(year) { if ((year%4)==0) { if ((year%100==0) && (year%400)!=0) { return false; } else { return true; } } else { return false; } }
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