JavaScript - #function

How do I handle "TypeError: x is not a function" in JavaScript?
JavaScript: Arrow functions
How to create a function in JavaScript?
How to use the map function in JavaScript?
Working with JavaScript functions?
How can I solve 'Uncaught TypeError: object is not a function'?
Why am I getting a 'TypeError' when trying to call a function?
How can I create a JavaScript function?
What's causing 'TypeError: X is not a function' in JavaScript?