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What is js object-oriented programming idea, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain for you in detail, people with this need can come to learn, I hope you can gain something.

With the advent of technologies like Node.js, you can now write JavaScript code on the server side, and you can even use JavaScript to query persistent data stores like MongoDB.

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Var bill = {}

The above code is not very useful, it just creates an empty object. Let's dynamically add some properties and methods to this object.

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Bill.name = "Bill E Goat"

Bill.sound = function () {

Console.log ('bahhhwa')

}

Here we add the "name" attribute and assign it to "Bill E Goat". We don't have to create empty objects in front of us, but we can do all of the above in one step.

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Var bill = {

Name: "Bill E Goat", sound: function () {console.log ('bahhhwa');}

}

It's simple and beautiful, isn't it? Accessing properties and methods is just as simple.

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