search movie api script

// function to search for movies
$("#submit").click(function (e) {
    $("#movielist").empty();
    var search_string = $("#search").val().replace("/ /g", "+");
    // zj: ^^^ this is weird, we're using a "regular expression" to replace *ALL* occurrences of space in that value
    var api_key = "ce283f8ff68c019530c5f5ccf045de2d"; //TODO insert your unique API KEY here
    var movie_search_url = "https://api.themoviedb.org/3/search/movie?api_key=" + api_key + "&query=" + search_string;

    $.getJSON(movie_search_url, function (data) {
        $.each(data.results, function (i, item) {
            console.log(item);
            var posterFullUrl = "https://image.tmdb.org/t/p/w185//" + item.poster_path;
            var img = "<img src='" + posterFullUrl + "' title='" + item.title + " (" + item.release_date.substring(0, 4) + ")'/>";
            $("#movielist").append(img);
            $("#movielist_title").text("Search results for '" + search_string + "':");
        });
    });

});