利用script標籤擷取跨域傳輸的資料

<
html
>

<
head
>

<
script
type
=
"text/javascript"
>

function jsLoad(
jId,
url,
callBack)

{



    var version = 0;
    if (navigator.appName.indexOf('Internet Explorer') != -1) {
        var temp = navigator.appVersion.split('MSIE');
        version = parseInt(temp[1]);
    }

    var js = document.getElementById(jId);
    js.setAttribute('type', 'text/javascript');
    js.setAttribute('src', url);
    js.onload = js.onreadystatechange = function()
    {
        if (js.readyState && version > 0) {
            if (version <= 6) {
                if (/complete/i.test(js.readyState)) {
                    return callBack();
                }
            } else {
                if (/loaded/i.test(js.readyState)) {
                    return callBack();
                }
            }
        } else {
            return callBack();
        }
    }





}

function myecho(
)

{

    alert(
str)
;

}

<
/
script
>

<
/
head
>

<
body
>

<
script
id
=
"myid"
>
<
/
script
>

<
script
>

var
url =
'http://www.other.com/some/some.php'
;

jsLoad(
'myid'
,
url,
myecho)
;

<
/
script
>

<
body
>

<
/
html
>



其中some.php檔案的內容為：

<
?
php

echo
'var str = "ok";'
;