Test whether a layer with a specific name exists?

Is there a simple way to test whether a layer with a specific name exists?

Simon Dav wrote:
- Multiple layer names
- working only for one layer name
- can you help me for this, how to get multiple names.
- layers "Background", "Artwork", "diecut", "size", "sign of panel"
This should work, as one possible approach:
var doc = app.activeDocument
var layersToTargetNameArray = ["Background", "Artwork", "diecut", "size", "sign of panel"];
for (var i = 0, il = doc.layers.length; i < il; i++) {
    var curLayer = doc.layers[i];
    for (var j = 0, jl = layersToTargetNameArray.length; j < jl; j++) {
        if (curLayer.name == layersToTargetNameArray[j]) {
            // do something if layer name found
            curLayer.visible = false; // basic example
        } else {
            // do something else if layer name not found
Hope it helps your efforts.
Please Note: If your question exceeds this working response with further unrelated requirements (non related to this thread) you should start a new thread instead for your question, as proper etiquette.

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Test whether a layer with a specific name exists?

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