Pesan Error

/data/data/com.termux/files/home/node-graphql/server/routes/index.js:8
var ambil = document.getElementById('input-char-counter1');
            ^

ReferenceError: document is not defined
    at Object.<anonymous> (/data/data/com.termux/files/home/node-graphql/server/routes/index.js:8:13)
    at Module._compile (internal/modules/cjs/loader.js:734:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:745:10)
    at Module.load (internal/modules/cjs/loader.js:626:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:566:12)
    at Function.Module._load (internal/modules/cjs/loader.js:558:3)
    at Module.require (internal/modules/cjs/loader.js:663:17)
    at require (internal/modules/cjs/helpers.js:20:18)
    at Object.<anonymous> (/data/data/com.termux/files/home/node-graphql/server/app.js:12:19)
    at Module._compile (internal/modules/cjs/loader.js:734:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:745:10)
    at Module.load (internal/modules/cjs/loader.js:626:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:566:12)
    at Function.Module._load (internal/modules/cjs/loader.js:558:3)
    at Module.require (internal/modules/cjs/loader.js:663:17)
    at require (internal/modules/cjs/helpers.js:20:18)
[nodemon] app crashed - waiting for file changes before starting...