- Write one function inside another function.
- Make a call to the inner function in the return statement of the outer function.
- Call it fun(a)(b) where a is parameter to outer and b is to the inner function.
- Finally return the combined output from the nested function.
Example 1: This example using the approach discussed above.
Example 2: This example using the approach discussed above, but here the nested function is created differently than previous one.
- Difference between regular functions and arrow functions
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