How can we stop submission of form when error alert is pop up while submitting form Hi,I have created one signup form and added validations.When those validations fails the error comes in alert form but as soon as i click on okay of pop up error the form gets submitted. I have added custom functions under edit rules can any one please tell how can i stop the submission of form while error pop up. The code and images below:js code :function finalValidate(first_name,email,password,confirmPassword){// Simple validation checksif (first_name === '') {alert('Name is required.');return;}if (email === '') {alert('Email is required.');return;}if (email != null) {var x= email;var atposition=x.indexOf("@");var dotposition=x.lastIndexOf(".");if (atposition<1 || dotposition<atposition+2 || dotposition+2>=x.length){alert("Please enter a valid e-mail address \n atpostion:"+atposition+"\n dotposition:"+dotposition);return;}if (password === '') {alert('Password is required.');return;}if (password !== confirmPassword) {alert('Passwords do not match.');return;}alert