|
|
<html><body><script>
| var b = new Array(1,2,3);
| var d = new Array(1,2,3);
| class dummy{
|
| constructor(){
| alert("in constructor");
| return d;
| }
|
| }
|
| class MyArray extends Array {
| // Overwrite species to the parent Array constructor
| static get [Symbol.species]() {
|
| alert("get");
| b[0] = {};
| return dummy; }
| }
|
| var a = new Array({}, [], "natalie", 7, 7, 7, 7, 7);
|
|
| function test(i){
|
| return true;
|
| }
|
|
|
| a.__proto__ = MyArray.prototype;
|
| var o = a.filter(test);
| alert(o);
| var h = [];
|
| for(item in o){
|
| var n = new Number(o[item]);
| if (n < 0){
| n = n + 0x100000000;
| }
| h.push(n.toString(16));
|
| }
|
| alert(h);
|
| </script></body></html>
|
|