// Attempt to overwrite and delete values
var x = new XMLHttpRequest();
- x.UNSENT = 9;
- x.OPENED = 9;
- x.HEADERS_RECEIVED = 9;
- x.LOADING = 9;
- x.DONE = 9;
+ try { x.UNSENT = 9; } catch (e) {}
+ try { x.OPENED = 9; } catch (e) {}
+ try { x.HEADERS_RECEIVED = 9; } catch (e) {}
+ try { x.LOADING = 9; } catch (e) {}
+ try { x.DONE = 9; } catch (e) {}
- delete x.UNSENT;
- delete x.OPENED;
- delete x.HEADERS_RECEIVED;
- delete x.LOADING;
- delete x.DONE;
+ try { delete x.UNSENT; } catch (e) {}
+ try { delete x.OPENED; } catch (e) {}
+ try { delete x.HEADERS_RECEIVED; } catch (e) {}
+ try { delete x.LOADING; } catch (e) {}
+ try { delete x.DONE; } catch (e) {}
unsent = x.UNSENT
opened = x.OPENED