How to write the custom validation using jQuery in custom HTML form. I have created acustom html form which has dropdown, single line of texts, people picker values,date fields etc and custom submit button.

1. can i use spservices inside jsom ?
2. can i use presaveaction on click of the custom submit button
3. also,i wanna redirect to a editform.aspx page and need to populate with the newlycreatedID as a query string
4.  

           function bindButtonClick() {
        $("#btnSubmit").on("click", function () {
        addListItem();
            });}

though i have written the above code , am not able to get, where to write custom validation, and if its success, how to redirect and fetch the last generatedID etc

How to write the custom validation using jQuery in custom HTML form?

I have created a custom html form which has fields dropdown, single line of text, people picker,date, etc. and custom submit button. 

But, I am stuck at how to perform custom validation using jsom/ jquery etc.?

1. Can i use spservices inside jsom ?
2. Can i use presaveaction on click of the custom submit button?
3. Also,i want to redirect the browser to a editForm.aspx page and need to populate with the newly created ID as a query string.

I have just started learning jsom coding in SPO(basically i am a SSOM guy !!), so any help is appreciated for guiding me.

   function bindButtonClick() {
        $("#btnSubmit").on("click", function () {
            addListItem();
        });
   }

Though I have written the above code , I am not able to get where to write custom validation, and if its success, how to redirect and fetch the last generatedID.