There are two textboxes one for email and other one for phone i have used one custom validation control so that user have to fill any one of textboxes for client side i used javascript

function ValidatePhoneEmail(source, args) {

        var tboxEmail = document.getElementById('<%= tboxEmail.ClientID %>');
        var tboxPhone = document.getElementById('<%= tboxPhone.ClientID %>');
        if (tboxEmail.value.trim() != '' || tboxPhone.value.trim() != '') {
            args.IsValid = true;
        }
        else {
            args.IsValid = false;
        }
    }

how to achieve same result using jquery