JavaScript Error Handling
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Types of Built-in JavaScript Errors

In this lesson, learn about built in error types like TypeError, ReferenceError, and SyntaxError. ReferenceErrors occur when trying to reference a variable or function that doesn’t exist or exists outside of the current scope. RangeErrors occur when a number is outside a valid range depending on the context. TypeErrors occur when a variable or parameter is not of a valid type (number, string, etc). SyntaxErrors occur typically because of typos in your code that result in invalid JS syntax.

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