1.proxy
//proxy攔截行為
let _handler = {
//get用于攔截某個(gè)屬性的讀取操作
get: function( target, _name ) { //( 目標(biāo)對(duì)象德迹、屬性名咪橙、proxy實(shí)例本身 )
// do something
},
set: function( _obj, _prop, _val ) { //( 目標(biāo)對(duì)象、屬性名碍脏、proxy實(shí)例本身 )
// do something
}
};
let _proxyObj = new Proxy( xx, _handler );
console.log( _proxyObj );
