JavaScript - #typeerror

How can I solve "typeerror: Cannot read property 'x' of undefined" in JavaScript?
How do I handle "typeerror: x is not a function" in JavaScript?
Why am I getting 'Uncaught typeerror: Cannot read property 'value' of null' in JavaScript?
How can I solve 'Uncaught typeerror: object is not a function'?
Why am I getting a 'typeerror' when trying to call a function?
What does 'typeerror: Cannot read property 'X' of undefined' mean in JavaScript?
What's causing 'typeerror: X is not a function' in JavaScript?
What does 'typeerror: Cannot set property 'X' of undefined' mean in JavaScript?
What leads to 'Uncaught typeerror: X is not iterable' in JavaScript?