JavaScript ES6对Proxy的原生支持的一个例子：开发人员学习额外的编程语言

Jerry Wang

发布于 2020-03-26 18:12:30

3030

发布于 2020-03-26 18:12:30

源代码：

<html>
<script>

function Employee(name){
	this.name = name;
};

Employee.prototype.work = function(language){
	console.log(this.name + " is developing with: " + language);
}

let jerry = new Employee("Jerry");

function hireEmployee(employee, language){
    employee.work(language);
}

hireEmployee(jerry, "JavaScript");

var proxyLogic = {
    get: function(target, name) {
    	if( name == "work"){
    		var oriFun = target[name].bind(target);
    		return function(language){
    			oriFun(language);
    			console.log("and also study other language in spare time");
    		}
    	}
    }
};

var jerryProxy = new Proxy(jerry, proxyLogic );

hireEmployee(jerryProxy, "JavaScript");

</script>
</html>