A guide on validating dates in Angular Ionic5 with the help of TypeScript

I have tried multiple solutions, but none seem to work when validating the current date with the date entered by the user. The date is passed from the user into the function parameters, but how do I perform validation? How can I validate the date?

isToday(date) {
    const today = new Date()
    return date.getDate() === today.getDate() &&
        date.getMonth() === today.getMonth() &&
        date.getFullYear() === today.getFullYear();
};

isToday(2020-09-07)

The above code is not functioning correctly. Can anyone provide assistance?

Thank you in advance

javascriptangulartypescriptionic-frameworkionic5

Answer №1

That's incorrect! The value 2020-09-07 is not a valid Date object. You must use the isToday function with the new Date('2020-09-07').

Answer №2

function checkIfDateIsToday(date) {
    const today = new Date()
    return date.getDate() === today.getDate() &&
        date.getMonth() === today.getMonth() &&
        date.getFullYear() === today.getFullYear();
};

console.log(checkIfDateIsToday(new Date("2020-09-10")))
  1. The console.log statement is included to display the result.
  2. When specifying a date, use Date("2020-09-07") and not just the date itself.

If you have included TypeScript as a tag, make sure to use types:

function checkIfDateIsToday(date : Date) {
    const today = new Date()
    return date.getDate() === today.getDate() &&
        date.getMonth() === today.getMonth() &&
        date.getFullYear() === today.getFullYear();
};

console.log(checkIfDateIsToday(new Date("2020-09-10")))

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