Map is similar to object but little bit advance from object
                        
Map key can be any data type (object can have string key only
                        
Map has more features which dont have in object
                        
Map has better performance than Object
                        
Type of Map is object.
                    
                
            

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Console
                
                    let obj = {
                        name: 'John',
                        age: 30,
                        10: "This is number",
                        true: "This is boolean", // true os string
                    }
                    let data = new Map([
                        ['name', 'John'],
                        ['age', 30],
                        [10, 'This is number'],
                        [true, 'This is boolean'],
                    ])
                
                    // console.warn(obj.10)
                    console.warn(obj.true)
                    // console.warn(obj.key)
                    obj.town = "bkt"
                    console.warn(obj)
                
                    console.warn(data.get(10))
                    console.warn(data.get(true))
                    console.warn(data.size)
                    console.warn(data.has('name'))
                    console.warn(data.keys())
                    console.warn(data.values())
                    data.set("city", "bkt")
                    data.set({}, "bkt")
                    data.set(() => { }, "bkt")
                    console.warn(data)
                
                    data.forEach((value, key) => {
                        console.warn(key, value)
                    })
                
                    for (let [key, value] of data) {
                        console.warn(key, value)
                    }
                    console.warn(typeof data)
                
            

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