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What's the difference between FindFirstChild vs FindFirstChildWhichIsA?

Asked by 4 months ago

What's the difference between the two functions: FindFirstChild and FindFirstChildWhichIsA?

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Answered by 4 months ago
Edited 4 months ago

FindFirstChild():

local child = script.Parent:FindFirstChild("Humanoid")

FindFirstChildWhichIsA():

local child = script.Parent:FindFirstChildWhichIsA("Humanoid")

The difference is that FindFirstChild() looks for an Instance with the given name while FindFirstChildWhichIsA() finds the Instance of a Class regardless of its name. Both methods can be used to find descendants and not just children like so:

local child1 = script.Parent:FindFirstChild("Humanoid", true)
local child2 = script.Parent:FindFirstChildWhichIsA("Humanoid", true)

What do we have here? The second parameter, a boolean, can be used to tell the method(s) to either find a child (false) or a descendant (true). Depending on what you are finding, finding a descendant is recommended.

0
the second parameter defaults to False, which means that it will only find a child and not a descendant. MCAndRobloxUnited 494 — 4mo
0
Alright thank you this helps a ton! YabaDabaD0O 355 — 4mo
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