**Code from functions.php**

    function university_files()
    {
       wp_localize_script('main-university-js', 'universityData', array(
            'root-url' => get_site_url()
        ));
    };
    
    add_action('wp_enqueue_scripts', 'university_files');



**Code from JS**

    getResults() {
        $.getJSON(
          universityData.root_url +
            "/wp-json/wp/v2/posts?search=" +
            this.searchField.val(),
          (posts) => {
            this.resultsDiv.html(`
            <h2 class ="search-overlay__section-title">General Information</h2>
              ${
                posts.length
                  ? `<ul class="link-list min-list">`
                  : `No General Information Marched your search`
              }
                ${posts
                  .map(
                    (item) =>
                      `<li><a href="${item.link}">${item.title.rendered}</a></li>`
                  )
                  .join("")}
              ${posts.length ? `</ul>` : ""}
            
            `);
            this.isSpinnerVisible = false;
          }
        );
      }


[![Image from inspect element where the error can be seen][1]][1]


  [1]: https://i.sstatic.net/GAmJA.png