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how to Create a date input that only accepts a date that comes after today

Time:04-18

I want to Create a date input that only accepts a date that comes after today, and if the user selected a date that comes before today you have to display an error message that describes that they can't do that.

what should i add to my code :

var myForm = document.getElementById('my_form');
myForm.addEventListener('submit', function(e){
    var errors = "";
    var ageInput = document.getElementById('age_input');
    var nameInput = document.getElementById('name_input');
    if (!ageInput.value || isNaN(ageInput.value))
    {
      ageInput.style.borderColor = 'red';
      errors  = 'age is invalid</br>';
    } else {
      ageInput.style.borderColor = 'inherit';
    }
    if(!nameInput.value) {
      nameInput.style.borderColor = 'red';
      errors  = 'name is invalid\n';
    } else {
      nameInput.style.borderColor = 'inherit';
    }
    if (errors){
     document.getElementById('errors').innerHTML = errors;
     // to prevent the page from reloading
        e.preventDefault();
    }
});
 <form id="my_form" action="submit.php">
      <label>Age: </label>
      <input type="text" id="age_input" />
      <label>Name: </label>
      <input type="text" id="name_input" />
      <label>date: </label>
      <input type="date" id="date_input" />
      <button type="submit">submit</button>

 

      <p id='errors'></p>

    </form>

CodePudding user response:

const datePicker = document.getElementById('date_input');
const selectedDate = new Date(datePicker.value);
const today = new Date();
today.setUTCHours(0,0,0,0);

if (isNaN(selectedDate) || selectedDate < today) {
  errors  = 'you can pick dates from the past</br>';
}
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