having problems in very simple and basic typescript program
the code is look like this:
Typescript complains on generic types
I have a groupBy function in Typescript that is responsible to group array objects by a key from every array:
Accessing elements from empty typed array does NOT return undefined in Typescript. undefined in runtime
vs code screenshot
JavaScript Array Every method passing argument showing undefine for arrow lambda callback function
I’m using JavaScript Array Every method for some validation and when I’m passing arguments with some condition, then it’s not working with JavaScript arrow lambda callbackFn.
JavaScript Array Every method passing argument showing undefine for lambda callback function
I’m using JavaScript Array Every method for some validation and when I’m passing arguments with some condition, then it’s not working with JavaScript lambda callbackFn.
Type ‘false’ has no call signatures. (tsserver 2349)
I am getting a Typescript warning for the following: