movies.js

let c="c";
let m="m";
function add(l) {
    if (! document.querySelector("form")){
        let form = document.createElement("form");
        form.method='post';
        let divka = document.getElementById("addmovie");
        divka.classList.add("addmovie");
        console.log("yes");
        let name = document.createElement("input");
        name.type = "text";
        name.name = "name";
        name.required = true;
        let date = document.createElement("input");
        date.type = "text";
        date.name = "date";
        date.required = true;
        let img = document.createElement("textarea");
        img.rows="2";
        img.cols="30";
        img.name = "img";
        img.required = true;
        let about = document.createElement("textarea");
        about.rows="10";
        about.cols="30";
        about.name = "about";
        about.required = true;
        let submit = document.createElement("input");
        submit.type = "submit";
        submit.value="Add";

        if (l==="m"){
            form.action='movies.php';
            var label = document.createElement("label");
            label.innerHTML="PHASE";
            var phase = document.createElement("select");
            let o1 = document.createElement("option");
            o1.value="1";
            o1.innerHTML="1";
            let o2 = document.createElement("option");
            o2.value="2";
            o2.innerHTML="2";
            let o3 = document.createElement("option");
            o3.value="3";
            o3.innerHTML="3";
            phase.appendChild(o1);
            phase.appendChild(o2);
            phase.appendChild(o3);
            phase.name = "phase";
            phase.required = true;

            name.placeholder = "Name of the film";
            date.placeholder = "DD Month YYYY of premier";
            img.placeholder = "URL of poster";
            about.placeholder = "About the movie";

            form.appendChild(label);
            form.appendChild(phase);
        }
        else {
            form.action='characters.php';


            let page = document.createElement("textarea");
            page.rows="2";
            page.cols="30";
            page.name = "img";
            page.required = true;

            name.placeholder = "Character's name";
            date.placeholder = "First mention of character";
            img.placeholder = "URL of his picture";
            page.placeholder="URL of it's web page";
            about.placeholder = "couple words about the character";

            form.appendChild(page);
        }



        form.appendChild(name);
        form.appendChild(date);
        form.appendChild(img);
        form.appendChild(about);
        form.appendChild(submit);
        divka.appendChild(form);
    }
}