<!DOCTYPE html> <html lang="ja"> <head><title>Fruits!</title> </head> <body> <script type="text/javascript" charset="utf-8"> fetch("fruits.json").then( JSON.parse() ).then((text) => { var fruits = {"バナナ":40}; document.write("りんごは"+fruits.りんご+"円です。"); }) </script> </body> </html>