The official documentation specifically states that this function is only applicable to versions after 1.2, not previous versions.
function GetCrossDomainContent() {
$.getScript( "http://two.xthost.info/im0417/cnblogs.txt", function() { if (typeof (msg) != "undefined") { $("#TestCrossDomain").val(msg[0]) ; }
});
Official explanation
jQuery.getScript(url, [callback])
Parameter 1: url, String type. The address of the JS file to be loaded.
Parameter 2: callback (optional), Function type. Callback function after successful loading.
Detailed reference:
http://www.jb51.net/shouce/jquery/jquery_api/Ajax/$.getScript. html