| GetMethod t,Ot ;if void 0! IsConstructor r throw new TypeError "new | from: when provided, the second argument must be a function" ;arguments | 
|---|---|
| GetMethod t,wt ;if void 0! | isSetIterator throw new TypeError "Not a SetIterator" ;return this | 
| IsConstructor t throw new TypeError "First argument must be a constructor | TypeIsObject n throw new TypeError "Iterator's return method returned a non-object | 
|---|---|
| GetMethod t,"return" ;if void 0! GetMethod t,Ot ;if void 0! target must be a constructor | s throw new TypeError "getters require true ES5 support" ;Object | 
GetMethod t,It ;if void 0! s throw new TypeError "getters require true ES5 support" ;Object.
7| 0,this : o this ,this["[[SetData]]"] | 0,this : o this ,this["[[SetData]]"] | 
|---|---|
| ToNumber t ;return Y e? GetMethod t,It ;if void 0! GetMethod t,"return" ;if void 0! TypeIsObject n throw new TypeError "Iterator's return method returned a non-object |