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1. Senior JavaScript Things Senior JavaScript Things

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   const person1 = {"name": "Michael", age: 25}

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   const person2 = {"name": "Kate", age: 23 }

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   function log() {

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     console.log(this.name, this.age)

2. 🔮 This proxy will replace the unknow... 🔮 This proxy will replace the unknown key with null.

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   const set_default = (target, default_value = 0) => {

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     return new Proxy(target, {

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       get: (obj, prop) => (prop in obj) ? obj[prop] : default_value) 

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     }) 

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   }