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In Javascript please. Use the isNaN() function in validateForm() to verify the user age is a number. Display "Invalid user age" in the console log if the user age is not a number. Use the preventDefault() function to avoid submitting the form when the input is invalid. let form = document.getElementById("userForm"); function validateForm(event) { let userAge = form.userAge.value; // solution goes here } form.addEventListener("submit", validateForm);

In Javascript please. Use the isNaN() function in validateForm() to verify the user age is a number. Display "Invalid user age" in the console log if the user age is not a number. Use the preventDefault() function to avoid submitting the form when the input is invalid. let form = document.getElementById("userForm"); function validateForm(event) { let userAge = form.userAge.value; // solution goes here } form.addEventListener("submit", validateForm);

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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In Javascript please.

Use the isNaN() function in validateForm() to verify the user age is a number. Display "Invalid user age" in the console log if the user age is not a number. Use the preventDefault() function to avoid submitting the form when the input is invalid. 

 

let form = document.getElementById("userForm");

function validateForm(event) {
   let userAge = form.userAge.value;

   // solution goes here 

}

form.addEventListener("submit", validateForm);

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