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JS implementation private attribute

2022-04-23 17:41:00 【KK should continue to work hard】

JS Implement private properties

  1. Based on closure 
function P(name){
    
	var _name = name;
	this.getName=function(){
    
		return _name;
	} 
}
var p = new P("xxx");
console.log(p._name); //undefined
console.log(p.getName());   //xxx

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