To avoid this mistake, always declare your variables with the
const keywords before using them. This will ensure that your variables are created and initialized properly.
Another common mistake is overusing the global scope in your code. The global scope is the outermost scope of your code and any variables or functions that are declared in it can be accessed anywhere in your code.
While this may seem convenient, it can lead to naming collisions and make your code more difficult to debug and maintain.
To avoid this mistake, try to limit the use of global variables and instead use local variables that are only accessible within their own function or block scope.
To avoid this mistake, make sure you understand how callbacks work and try to use simpler alternatives like promises or async/await when possible.
To avoid this mistake, always include error handling in your code and make sure to test it thoroughly.
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