Socket.io-client: "Unexpected token <" when loading socket.io.js locally

Created on 14 May 2015 · 5Comments · Source: socketio/socket.io-client

When I load the client library as follows:

I get the above error.
It points to line 4 in the file, that starts with:

I already have defined this line earlier, could that be the problem?

Richard

Source

zappfinger

Most helpful comment

it works when I use:

<script src="https://cdn.socket.io/socket.io-1.4.0.js"></script>

Wo what _is_ the correct url?

barbalex on 8 Dec 2016

👍3

All 5 comments

src="js/socket.io.js"

zappfinger on 14 May 2015

It has to be src="/socket.io/socket.io.js"

nkzawa on 16 Jan 2016

I get the same error using this html file:

<!doctype html>
<html lang="en">
<head>
  <!-- The first thing in any HTML file should be the charset -->
  <meta charset="utf-8">
  <!-- Make the page mobile compatible -->
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <!-- Allow installing the app to the homescreen -->
  <link rel="manifest" href="manifest.json">
  <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.css">
  <meta name="mobile-web-app-capable" content="yes">
  <title>AP Flora</title>
</head>
<body>
<!-- The app hooks into this div -->
<div id="app"></div>
<link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700,900" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Roboto+Mono" rel="stylesheet">
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<!-- A lot of magic happens in this file. HtmlWebpackPlugin automatically includes all assets (e.g. bundle.js, main.css) with the correct HTML tags, which is why they are missing in this HTML file. Don't add any assets here! (Check out webpackconfig.js if you want to know more) -->
<script src="/socket.io/socket.io.js"></script>
<script>
  const socket = io()
  console.log(`socket:`, socket)
</script>
</body>
</html>

What am I doing wrong?

barbalex on 8 Dec 2016

it works when I use:

<script src="https://cdn.socket.io/socket.io-1.4.0.js"></script>

Wo what _is_ the correct url?

barbalex on 8 Dec 2016

👍3

Calling socket.io.js locally, it worked when I use browserify to compile the correct required files. Another way is use the lib inside _socket.io-client_