JavaScript JavaScript code to get count of occurrence of objects in array of objects using array.reduce() javascript code count,countdown javascript code,javascript code to count

var developers = [
    { name: "Joe", age: 23 ,overallLevel: "high"},
    { name: "Sue", age: 28 ,overallLevel: "advanced" },
    { name: "Jon", age: 32 ,overallLevel: "high" },
    { name: "Bob", age: 24 ,overallLevel: "high" },
    { name: "Bob", age: 20 ,overallLevel: "advanced" }
]

Need count of overallLevel in the mentioned array using array.reduce() [high:3, advanced:2]

Answer:1

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