dd, mm and yyyy) and check whether dd is a valid date, mm is a valid month or yyyy is a valid year. Moment.js today's date. The lightweight JavaScript library Moment.js makes working with date and time values a breeze. No matter what language you use, working with date values is often a cumbersome process. For more details and recommendations, ... Moment.js is freely distributable under the terms of the MIT license. What I have tried: I have tried with the below code. This will return a copy of the Date that the moment uses, so any changes to that Date will not cause moment to change. Store the date object into a variable d.; Check if the variable d is created by Date object or not by using Object.prototype.toString.call(d) method. Another annoying task that Moment.js has greatly simplified is date validation. ; If the date is Invalid then the getTime() method will return NaN which is not equal to itself. If the value is greater than the range, it will fall in the next week. It takes input from 0-6, where 0 is for Sunday and 6 as Saturday. You can set the day of week using number or string. We have also checked the leap year factor for the month of February. If you want to change the moment Date, see moment#manipulate or moment#set. I am using moment.js to get the 2 dates those are the from and to to pass my method. Later we take each part of the string supplied by user (i.e. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. In the following examples, a JavaScript function is used to check a valid date format against a regular expression. ; If the date is valid then the getTime() method will always be equal to itself. Example: create a JavaScript file named "validity.js" file and add the following code to it: There may be better modern alternatives. the date formats are working properly in Google chrome but not able to get those dates in IE browser. Tried now with latest 1.7.1 branch and it looks like isValid returns true for much more invalid dates and instead in one case false when the date is actually valid Could you please help me on this how to fix. Considering using Moment in your project? To get a copy of the native Date object that Moment.js wraps, use moment#toDate. In the first example, we get today's date with Moment.js. In order to perform validation, simply pass a date string to the moment … Date Validation. Moment.js - Date validation example We can use the isValid() method to check if the date and time object is valid. This method will get/set the day of the week. I have tried but not able to do this. Parse, validate, manipulate, and display dates and times in JavaScript. Values a breeze next week, use moment # manipulate or moment # or. Want to change the moment date, see moment # set please help me this. Return NaN which is not equal to itself library Moment.js makes working with date values often! 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