Jquery表单验证无法正常工作

My code problem is the validation is working not properly i.e; if we enter the first name,it is showing the error message "the name should be 3 characters" but it is not disable the submit button same as all the fields are showing the error messages but it is submitted successfully.so help me it is submitted only when all the validation are correct.i am writing the code properly but i will not understand where is the problem it is. My code problem is the validation is working no