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<html><body><h1>JavaScript Maps</h1><h2>The Map.groupBy() Method</h2><p id="demo"></p><script>// Create an Arrayconst fruits = [ {name:"apples", quantity:300}, {name:"bananas", quantity:500}, {name:"oranges", quantity:200}, {name:"kiwi", quantity:150}];// Callback function to select low volumes function myCallback({ quantity }) { return quantity > 200 ? "ok" : "low";}// Group by ok and lowconst result = Map.groupBy(fruits, myCallback);// Display Resultslet text ="These fruits are Ok: <br>";for (let x of result.get("ok")) { text += x.name + " " + x.quantity + "<br>";}text += "<br>These fruits are low: <br>";for (let x of result.get("low")) { text += x.name + " " + x.quantity + "<br>";}document.getElementById("demo").innerHTML = text;console.log(result.get("ok"));</script></body></html>