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Importing jQuery plugin into Angular 2+ Refused to execute script because its MIME type ('text/html') is not executable

I need to load a JavaScript (jQuery plugin) in an HTML file. But it doesn't seem to be working. This is running on Angular-CLI server (ng serve) Here's the HTML.

<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>Test</title>
  <base href="/">

  <script
  src="https://code.jquery.com/jquery-3.3.1.min.js"
  integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
  crossorigin="anonymous"></script>

  <script src="./test.js" type="text/javascript"></script>

  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="icon" type="image/x-icon" href="favicon.ico">
</head>
<body>
  <app-root>Loading...</app-root>
</body>
</html>

I get this error:

Refused to execute script from 'http://localhost:8080/test.js' because its MIME type ('text/html') is not executable, and strict MIME type checking is enabled.

I found this question, where the solution seems to be correcting the type attribute, but that didn't fix it for me. I tried text/javascript and application/javascript.

What do I need to do here?

EDIT: The network console shows a 404 error for the script. Says the request has no response data available. Content type says text/html; charset=utf-8

NOTE: I originally posted this as a more minimal example than my actual code, as I didn't think it had to do with Angular CLI server. That may be the case, so I restored my example to the actual code I have.

like image 936
BBaysinger Avatar asked Apr 18 '18 17:04

BBaysinger


2 Answers

Try putting your js script in the src/assets folder. Then it should be served with correct mime type by the development server

Then reference it like below

<script src="/assets/scripts/test.js" type="text/javascript"></script>

Rather than including jquery and your script in index.html, you could add the files to the "scripts" properties of angular-cli.json (or angular.json if using angular 6)

"scripts":
 [
      //include jQuery here, e.g. if installed with npm
      "../node_modules/jquery/dist/jquery.min.js" ,
      "assets/scripts/test.js"
 ]

Note: Don't forget to restart ng serve after modifying the .angular-cli.json or angular.json files

like image 135
David Avatar answered Nov 16 '22 20:11

David


I encountered with the similar issue

issue

and resolved by a simple change in index.html file

<base href="./"> // remove dot (.) and your app will execute scripts
like image 43
WasiF Avatar answered Nov 16 '22 20:11

WasiF