How can I add more IDs ?

Question

(function() {
var input = document.getElementById('phone');
var pattern = /^[6-9][0-9]{0,9}$/;
var value = input.value;
!pattern.test(value) && (input.value = value = '');
input.addEventListener('input', function() {
var currentValue = this.value;
if(currentValue && !pattern.test(currentValue)) this.value = value;
else value = currentValue;
});
})();

Answer 1

https://code.sololearn.com/Wn80iqRC34T2/?ref=app

Answer 2

thank solved