Quick Sketch Plugins // RandomHeight

RandomHeight.sketchplugin

// Random heights
var selectedLayers = context.selection;
var loop = [selection objectEnumerator];
while (layer = [loop nextObject]) {
     layer.frame().setConstrainProportions(false);
     var fNoise = 20 * Math.random();
     layer.frame().setHeight(fNoise);
}

var documentName = context.document.displayName();
var selectedLayers = context.selection;
var selectedCount = selectedLayers.count();

var loop = [selectedLayers objectEnumerator]
while (layer = [loop nextObject]) {
layer.frame().setConstrainProportions(false);
var fNoise = 100 * Math.random();
layer.frame().setHeight(fNoise);
}