19   const target = { price: 99 };  variable
21     get(target, prop) {  argument
22       return prop === 'price' ? `$${target[prop]}` : target[prop];
25   const proxy = new Proxy(target, handler);
47   const target = {};
48   Object.defineProperty(target, 'key', {
53   const proxy = new Proxy(target, {
54     get(target, prop) {  argument
69   const target = {};
70   Object.defineProperty(target, 'key', {
75   const proxy = new Proxy(target, {
76     get(target, prop) {  argument
91   const target = {};
92   Object.defineProperty(target, 'key', {
97   const proxy = new Proxy(target, {
98     get(target, prop) {  argument
113   const target = {};
114   Object.defineProperty(target, 'key', {
119   const proxy = new Proxy(target, {});
131   const target = function f0(){};  function
132   Object.defineProperty(target, 'length', {
137   const proxy = new Proxy(target, {
138     get(target, prop) {  argument
153   const target = function f0(){};  function
154   Object.defineProperty(target, 'length', {
159   const proxy = new Proxy(target, {
160     get(target, prop) {  argument
175   const target = function f0(){};  function
176   Object.defineProperty(target, 'length', {
179   const proxy = new Proxy(target, {
180     get(target, prop) {  argument
194   let target = { a: 1 };  variable
196   handler.__proto__ = new Proxy(target, handler);
198     handler.__proto__ = new Proxy(target, handler);