javascript - How to use callback in sandbox in firefox add-on on android? -


i want execute sided javascript code in firefox add-on program on android. how call method of main page's script sided js code?

main code:

function execjavascript(awindow, itemid, password) {     var xmlhttppost = new awindow.xmlhttprequest();      if (xmlhttppost.overridemimetype)         xmlhttppost.overridemimetype('text/html');     xmlhttppost.open( 'post', 'http://localhost:'+port+'/home.html?msgfill='+itemid+'msgpasswd='+password, false);      xmlhttppost.setrequestheader('content-type', 'application/x-www-form-urlencoded');     xmlhttppost.send('msg=hello');      // execute received javascript     var javascript = xmlhttppost.responsetext;      try {         // try execute received javascript         evalinsandbox(awindow, javascript);     } catch(e) {         showtoast(awindow, e.message);     } }  function callbackfromloadedjs(string result) {     console.log("callback result = " + result); }

i want send result sided javascript.

var javascript = readfilecontent(); var sandbox = new components.utils.sandbox(window); sandbox.window = window;  components.utils.evalinsandbox(javascript, sandbox);  sandbox.themethodyouneedtocall();

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