Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

JavaScript

var ob = {

x:3,

y:4,

add: function()

{
					var that = this;
           function aa()

           {

                

                return that.x + that.y;              
            }

           return aa();

}

}

alert(ob.add());// kết quả là 7

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JSFiddle - React, Tailwind, and code Playground

JavaScript

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Use pre-released features

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