java script Alerts Unicode display issue in IE 8

currently im working on symfony based large applicat开发者_StackOverflow社区ion. i m having issue on displaying unicode characters inside java script alerts in IE browsers only fire fox not a issue working fine

for example

alert("<?php echo __("English word to auto convert to other languages by symfony ")?>");

In IE 8 version i can only see boxes when alert pops up.

have anybody idea why this happen please.

regards

Check the encoding of the page. This should be in an encoding that supports unicode characters.