[Done]Update the array#forEach implement

[LiaoPeng]

The AS code

Print index: 0. value: 0
Print index: 1. value: 1
Print index: 2. value: 100
Print index: 3. value: 101
Print index: 4. value: 102
The array content:
Print index: 0. value: 0
Print index: 1. value: 1
Print index: 2. value: 333
Print index: 3. value: 334
Print index: 4. value: 335
Print index: 5. value: 336
Print index: 6. value: 337
Print index: 7. value: 338
Print index: 8. value: 339
Print index: 9. value: 340

The forEach visited elements:
Print index: 2. value: 100
Print index: 3. value: 101
The array elements in fact:
Print index: 2. value: 333
Print index: 3. value: 334

When callbackfn of forEach called push method, it maybe reallocate the memory.
It maybe lead the forEach method referring overdue data.

[dcodeIO]

Thank you! :)