gas-api-run 
Google Apps Script Execution API Javascript client
Installation
First, install gas-api-run using npm (we assume you have pre-installed node.js).
npm install gas-api-run --saveUsage
app.js:
import Client from 'gas-api-run'
const config = {
clientId: "<YOUR_CLIENT_ID>",
scopes: ["https://www.googleapis.com/auth/spreadsheets"],
scriptId: "<YOUR_SCRIPT_ID_FOR_DEVELOPMENT>"
};
const client = new Client(config);
global.init = client.init.bind(client);index.hml
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Google Apps Script Execution API Javascript client library Example</title>
</head>
<body>
<div>
....
</div>
<script src="app.js"></script>
<script src="https://apis.google.com/js/client.js?onload=init"></script>
</body>
</html>License
Apache 2.0 License
This module is based on JavaScript Quickstart sample code of Google Apps Script and according to terms described in the Apache 2.0 License.