JS question: does list have value

[Wardenburg]

Good day honorable adobe forum members,

I am looking for the method to use to check if a value is in a list

i.e.:

var list = ["A","B","C"]

if ("a"  in list) {
//dothings
}

Hoe does one do this effectively?

Thank you in advance for any and all trouble to be taken

[Wardenburg]

I see I typed "a" instead of "A" , I hope this doesn't cause confusion (the example should say "A") 

[try67 · Accepted solution]

Yes, using the indexOf method. See: https://www.w3schools.com/jsref/jsref_indexof_array.asp

[Wardenburg]

Thank you try67, your presence on these boards is a godsend.

Thank you very much once more.

[try67]

You're very welcome!