Make sure you adhere to formatting restrictions.
1. Add or un-comment the following line in the noodle.properties file:
ScriptFile = “noodleScript.js”
2. Add custom JavaScript to noodleScript.js
3. Restart Noodle.
To test put this in the noodleScript.js:
alert("It works");
Save it and re-login to Noodle.
Other ways to insert custom JavaScript here.
You may want to wait for top.noodle like this.