simple if condition for form validation
const signup=()=>{
let name=document.querySelector("#u_name").value;
let email=document.querySelector("#email_id").value;
let password=document.querySelector("#pwd").value;
let confirmPassword=document.querySelector("#confirm_pwd").value;
let i=0;
if((name==""||email=="")||(password==""||confirmPassword==""))
{
document.querySelector("#empty-field").innerHTML="*Fill all required fields";
i++;
}
else
{
if(name.length<3)
{
document.querySelector("#u_name").style.borderColor="red";
document.querySelector("#user-errmsg").innerHTML="*Enter valid user name";
i++;
}
else
{
document.querySelector("#u_name").style.borderColor="#ced4da";
document.querySelector("#user-errmsg").innerHTML="";
i;
}
if(email.length<6)
{
document.querySelector("#email_id").style.borderColor="red";
document.querySelector("#email-errmsg").innerHTML="*Enter valid email id";
i++;
}
else
{
document.querySelector("#email_id").style.borderColor="#ced4da";
document.querySelector("#email-errmsg").innerHTML="";
i;
}
if(password.length<6 && confirmPassword.length<6)
{
document.querySelector("#pwd").style.borderColor="red";
document.querySelector("#confirm_pwd").style.borderColor="red";
document.querySelector("#pwd-errmsg").innerHTML="*Password must be atleast 6 digits long";
i++;
}
else if(password.length<6 && confirmPassword.length>=6)
{
document.querySelector("#confirm_pwd").style.borderColor="red";
document.querySelector("#pwd").style.borderColor="red";
document.querySelector("#pwd-errmsg").innerHTML="*Password must be atleast 6 digits long";
i++;
}
else if(password.length>=6 && confirmPassword.length>=6)
{
if(password!= confirmPassword)
{
document.querySelector("#pwd").style.borderColor="red";
document.querySelector("#confirm_pwd").style.borderColor="red";
document.querySelector("#pwd-errmsg").innerHTML="*Both fields must have the same password";
i++;
}
else
{
document.querySelector("#pwd").style.borderColor="#ced4da";
document.querySelector("#confirm_pwd").style.borderColor="#ced4da";
document.querySelector("#pwd-errmsg").innerHTML="";
i;
}
}
else
{
document.querySelector("#pwd").style.borderColor="red";
document.querySelector("#confirm_pwd").style.borderColor="red";
document.querySelector("#pwd-errmsg").innerHTML="*Both fields must have the same password";
i++;
}
document.querySelector("#empty-field").innerHTML="";
}
if(i==0)
return true;
else
return false
}