Web Reference: In this tutorial, you will learn about the TypeScript default parameters to set a value that a parameter will be assigned if it is omitted or the undefined is passed. No, TypeScript doesn't have a natural way of setting defaults for properties of an object defined like that where one has a default and the other does not. You could define a richer structure: Default Parameters should come after Required Parameters in the function definition. In the following example, we put the default parameter y after the required parameter x. On compiling, it will generate the following JavaScript code. The output is as follows.
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