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              const frame = new Frame("fit", 800, 600, "#000", "#555");
frame.on("ready", ()=>{ // ES6 Arrow Function - similar to function(){}
    zog("ready from ZIM Frame"); // logs in console (F12 - choose console)

    // often need below - so consider it part of the template
    let stage = frame.stage;
    let stageW = frame.width;
    let stageH = frame.height;

    // REFERENCES for ZIM at
    // see for video and code tutorials
    // see for documentation
    // see for INTRO to ZIM
    // see for INTRO to CODE

    // CODE HERE
    // we will make a bunch of circles and each time we want to get the next color in this array
    // so we can use a ZIM series which is a function that returns the next item in an array
    var colors = makeSeries([blue, pink, green, yellow]);

    // make a new parallax object
    var parallax = new Parallax();

    // a zim loop - just an easier format than a traditional for loop
    loop(7, (i)=>{

        // make circles from big to small
        // note we use the series for the color
        var circle = new Circle((i+2)*(i+2)*3, colors()).center(stage, 0);

        // add the circle to the parallax
        // set property, change of property and input (default is mouseX)

        // mask the last one - really need to nest circles too - but this will do
        // the true parameter is for dynamic masks
        // it defaults to false except when using drag() and animate()
        if (i>0) stage.getChildAt(1).setMask(stage.getChildAt(0), true);

    stage.update(); // this is needed to show any changes
    new Label({text:"Detail View", color:light, rollColor:white})
      .pos(620, 30, stage)
      .on("click", ()=>{zgo("", "_blank");});
    // FOOTER
    // call remote script to make ZIM Foundation for Creative Coding icon

}); // end of ready
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