How to validate the signup process with data variable

[Ne_el]

I have login form with 3 values as(page variable) which i need to get check with the data.Users_list(data variable) if username, password, usertype get matched user should get login

pageVars.u_username === data.Users_list[0].fields.username && pageVars.u_pass === data.Users_list[0].fields.password && pageVars.u_type === data.Users_list[0].fields.user_type

@Dan_Wroblewski 
@merituulimelkko

@SAPSupport 

[Ne_el]

resolved with the help of JavaScript