TypeScript for Beginners - Using Default Values

The video tutorial explains how to assign default values to function parameters using the equal sign. It demonstrates that if a parameter is not provided, the default value is used, eliminating the need to check for undefined values. The tutorial shows how to test this by refreshing a web browser to see the default role as 'normal user' and how passing a different role, like 'admin', overrides the default. This approach simplifies code by reducing conditional checks.

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