I'm trying to test to make sure a date is valid in the sense that if someone enters 2/30/2011 then it should be wrong.  How can I do this with any date?...
I am uploading images to a servlet. The validation whether the uploaded file is an image is done in server side only, by checking the magic numbers in the file header. Is there any way to validate the extensions in client side before submitting the...
I want to validate the date format on an input using the format mm/dd/yyyy.  I found below codes in one site and then used it but it doesn't work:  function isDate(ExpiryDate) {      var objDate,  // date object initialized from the ExpiryDate...
I wanna write my own form validation javascript library and I've been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html.  I would like to...
Which is better to do client side or server side validation?  In our situation we are using    jQuery and MVC.   JSON data to pass between our View and Controller.     A lot of the validation I do is validating data as users enter it. For example I...
I am using eclipse on my project and while messing around with my eclipse settings, I turned on Javascript support. Now eclipse complains that JQuery library has errors in it and is not letting me compile the project. Does anyone know how to turn j...
I am looking for an easy way in JavaScript to check if a number has a decimal place in it (in order to determine if it is an integer).  For instance,  23 -> OK 5 -> OK 3.5 -> not OK 34.345 -> not OK   if(number is integer) {...}...
I am validating URL with following regular expression. I want to validate google.com also but it returns false. What can be changed in R.E below to validate google.com.  console.log(learnRegExp('http://www.google-com.123')); // false consol...
Our web forms are really complex. What's a great solution for extensible form validation, preferably one that works with jQuery?  Background:  Our site has a bit of Ajax, but the real focus is on user experience through about 20 multi-page forms...

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