The bit index of the layer called name, or undefined if it has never been defined — the non-allocating counterpart of defineLayer.
name
undefined
Use it to ask a question without answering it: a diagnostics panel listing the layers a document mentions must not create the ones it misspells.
The bit index of the layer called
name, orundefinedif it has never been defined — the non-allocating counterpart of defineLayer.Use it to ask a question without answering it: a diagnostics panel listing the layers a document mentions must not create the ones it misspells.