ary-ptrn-elem-id-init-hole.js (1251B)
1 // This file was procedurally generated from the following sources: 2 // - src/dstr-binding/ary-ptrn-elem-id-init-hole.case 3 // - src/dstr-binding/default/let-stmt.template 4 /*--- 5 description: Destructuring initializer with a "hole" (`let` 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 13.3.3.6 Runtime Semantics: IteratorBindingInitialization 20 SingleNameBinding : BindingIdentifier Initializeropt 21 [...] 6. If Initializer is present and v is undefined, then 22 a. Let defaultValue be the result of evaluating Initializer. 23 b. Let v be GetValue(defaultValue). 24 [...] 25 7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v). 26 ---*/ 27 28 let [x = 23] = [,]; 29 30 assert.sameValue(x, 23); 31 // another statement 32 33 reportCompare(0, 0);