1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 (function f(){ 6 assertEquals("function", typeof f); 7 })(); 8 9 (function f(){ 10 var f; // Variable shadows function name. 11 assertEquals("undefined", typeof f); 12 })(); 13 14 (function f(){ 15 var f; 16 assertEquals("undefined", typeof f); 17 with ({}); // Force context allocation of both variable and function name. 18 })(); 19 20 assertEquals("undefined", typeof f); 21 22 // var initialization is intercepted by with scope. 23 (function() { 24 var o = { a: 1 }; 25 with (o) { 26 var a = 2; 27 } 28 assertEquals("undefined", typeof a); 29 assertEquals(2, o.a); 30 })(); 31 32 // const initialization is not intercepted by with scope. 33 (function() { 34 var o = { a: 1 }; 35 with (o) { 36 const a = 2; 37 } 38 assertEquals(2, a); 39 assertEquals(1, o.a); 40 })(); 41
