How to move one layer above another layer uisng jsx ?

Pretty much you just need to record the layer you want to move and the layer you want the other layer moved above into variables or some method

var moveLayer = doc.activeLayer;
var targetLayer = doc.layers[0];//say topmost layer;
//Then just punch in the layers you want to move into the below line with where you want to move it:
moveLayer.move(targetLayer.ElementPlacement.PLACEBEFORE);

One way is to use scriptlistener code for layer>arrange>bring layer forward  also search

https://forums.adobe.com/search.jspa?place=%2Fplaces%2F1383833&sort=updatedDesc&q=move+layer+up+stack

page 64

JavaScript Scripting Reference JavaScript Object Reference 64

}

}

// sort the layers by name

for (var x = 0; x < app.activeDocument.layers.length; x++) {

for (var y = 0; y < app.activeDocument.layers.length - 1 - x; y++) {

// Compare in a non-case sensitive way

var doc1 = app.activeDocument.layers.name

var doc2 = app.activeDocument.layers[y + 1].name

if (doc1.toUpperCase() > doc2.toUpperCase()) {

app.activeDocument.layers.move(app.activeDocument.layers[y+1],ElementPlacement.PLACEAFTER)  <-----------------------------------------------------------

}

}

}