Throw And Catch JavaScript Explained | Error Handling in JavaScript | Intellipaat #Shorts
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In this video we'll review Javascript Error Handling with Throw and Catch. Throw and Catch is an important concept in JavaScript error handling. It helps to prevent code from crashing and handles errors gracefully.
✅How does throw and catch work?
The code after the try clause is the guarded section of code. The throw expression throws—that is, raises—an exception. The code block after the catch clause is the exception handler. This is the handler that catches the exception that's thrown if the types in the throw and catch expressions are compatible.
✅What is the use of throw in JavaScript?
The throw statement allows you to create a custom error. The throw statement throws (generates) an error. The technical term for this is: The throw statement throws an exception.
✅What is the use of catch in Javascript?
The catch() method of Promise instances schedules a function to be called when the promise is rejected. It immediately returns an equivalent Promise object, allowing you to chain calls to other promise methods.