
TypeError - JavaScript | MDN
Jul 10, 2025 · The TypeError object represents an error when an operation could not be performed, typically (but not exclusively) when a value is not of the expected type.
I'm getting a TypeError. How do I fix it? - Stack Overflow
A valid, non-duplicate question about a TypeError will ask why a specific, minimal, reproducible example causes a TypeError, and explain what you expected to happen instead and why.
TypeError - JavaScript Documentation
A TypeError may be thrown when: an operand or argument passed to a function is incompatible with the type expected by that operator or function; or when attempting to modify a value that …
Handling TypeError Exception in Python - GeeksforGeeks
Aug 22, 2025 · In Python, a TypeError occurs when an operation or function is applied to an object of an inappropriate type, such as adding a string and an integer. Although Python is …
TypeError in Python - PythonForBeginners.com
Dec 9, 2021 · TypeError is an exception in Python programming language that occurs when the data type of objects in an operation is inappropriate. For example, If you attempt to divide an …
Built-in Exceptions — Python 3.14.0 documentation
2 days ago · Passing arguments of the wrong type (e.g. passing a list when an int is expected) should result in a TypeError, but passing arguments with the wrong value (e.g. a number …
Python TypeError: Understanding, Handling, and Best Practices
Apr 6, 2025 · One of the most common and often perplexing errors is the TypeError. A TypeError occurs when an operation or function is applied to an object of an inappropriate type. …
TypeError | Python’s Built-in Exceptions – Real Python
TypeError is a built-in exception that occurs when an operation is applied to an object of inappropriate type. For example, trying to add a string to an integer will raise a TypeError …
ValueError and TypeError in python - Stack Overflow
Jan 19, 2018 · Passing arguments of the wrong type (e.g. passing a list when an int is expected) should result in a TypeError so you would get a TypeError if you tried float(['5']) because a list …
JavaScript error reference - MDN
Jul 8, 2025 · Below, you'll find a list of errors which are thrown by JavaScript. These errors can be a helpful debugging aid, but the reported problem isn't always immediately clear. The pages …