How to change color of a set of nodes in kineticjs?

@aniya.jaskolski 

To change the color of a set of nodes in KineticJS, you can loop through the nodes and set the desired color for each node. Here is an example code snippet that demonstrates how to change the color of a set of nodes:

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// Assume nodes is an array of KineticJS nodes

var color = 'red'; // Set the desired color

nodes.forEach(function(node) {
  node.fill(color); // Change the fill color of the node
});

// After changing the color, draw the layer
layer.draw();

In this code snippet, we loop through each node in the nodes array and set the fill color of each node to the desired color using the fill() method. Finally, we call layer.draw() to redraw the layer and apply the color changes to the nodes.