Jinsi ya Kutengeneza Interactive Form Validation

Validate inputs live.
Show error messages dynamically.
Example Code:
<form id="form">
<input type="text" id="user" placeholder="Username" required>
<input type="email" id="email" placeholder="Email" required>
<button type="submit">Submit</button>
</form>
<p id="msg"></p>

<script>
document.getElementById("form").addEventListener("submit", function(e){
let user = document.getElementById("user").value;
let email = document.getElementById("email").value;
if(user.length<3){
e.preventDefault();
document.getElementById("msg").innerText="Username must be 3+ characters";
}
});
</script>
YouTube Description:
Jifunze kuunda interactive form validation kwa JavaScript.
Hashtags:
#JSForms #FormValidation #Faulink