obj-ptrn-prop-id-trailing-comma.js (1073B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case 3 // - src/dstr-binding/default/const-stmt.template 4 /*--- 5 description: Trailing comma is allowed following BindingPropertyList (`const` statement) 6 esid: sec-let-and-const-declarations-runtime-semantics-evaluation 7 features: [destructuring-binding] 8 flags: [generated] 9 info: | 10 LexicalBinding : BindingPattern Initializer 11 12 1. Let rhs be the result of evaluating Initializer. 13 2. Let value be GetValue(rhs). 14 3. ReturnIfAbrupt(value). 15 4. Let env be the running execution context's LexicalEnvironment. 16 5. Return the result of performing BindingInitialization for BindingPattern 17 using value and env as the arguments. 18 19 13.3.3 Destructuring Binding Patterns 20 21 ObjectBindingPattern[Yield] : 22 { } 23 { BindingPropertyList[?Yield] } 24 { BindingPropertyList[?Yield] , } 25 ---*/ 26 27 const { x: y, } = { x: 23 }; 28 29 assert.sameValue(y, 23); 30 31 assert.throws(ReferenceError, function() { 32 x; 33 }); 34 35 reportCompare(0, 0);