Challenge.js

const getPixels = require("get-pixels");

let hiddenMsg = new String

//cb triggered once image loaded
getPixels("http://www.northern.co//wp-content/themes/northern/images/puzzle.png", function(err, pixels) {
  if(err) {
    console.log("Bad image path")
    return
  }

  let counter = 0;
  pixels.data.forEach((pixel) => {
    //only need RGB values, skip 4th pixel
    if (counter === 3) {
      counter=0;
      return;
    }
    
    //convert integer to ASCII and concat to hidden msg
    hiddenMsg += (String.fromCharCode(pixel)); 
    counter++
  })
  console.log(hiddenMsg)
})