Strict mode Passingnon-Strict mode Passing
Features:
- Symbol.iterator
- destructuring-binding
- default-parameters
// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-init-iter-get-err-array-prototype.case // - src/dstr-binding/error/meth-dflt.template /*--- description: Abrupt completion returned by GetIterator (method (default parameter)) esid: sec-runtime-semantics-definemethod features: [Symbol.iterator, destructuring-binding, default-parameters] flags: [generated] info: | MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody } [...] 6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody, scope, strict). If functionPrototype was passed as a parameter then pass its value as the functionPrototype optional argument of FunctionCreate. [...] 9.2.1 [[Call]] ( thisArgument, argumentsList) [...] 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). [...] 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). [...] 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) [...] 23. Let iteratorRecord be Record {[[iterator]]: CreateListIterator(argumentsList), [[done]]: false}. 24. If hasDuplicates is true, then [...] 25. Else, b. Let formalStatus be IteratorBindingInitialization for formals with iteratorRecord and env as arguments. [...] Runtime Semantics: BindingInitialization BindingPattern : ArrayBindingPattern 1. Let iteratorRecord be ? GetIterator(value). GetIterator ( obj [ , hint [ , method ] ] ) [...] 4. Let iterator be ? Call(method, obj). Call ( F, V [ , argumentsList ] ) [...] 2. If IsCallable(F) is false, throw a TypeError exception. ---*/ delete Array.prototype[Symbol.iterator]; var obj = { method([x, y, z] = [1, 2, 3]) {} }; assert.throws(TypeError, function() { obj.method(); });