在Firefox插件中添加外部Javascript

Question

var request = new XMLHttpRequest();
   request.onreadystatechange = function () {
        if(request.readyState == 4){
            request.close();
        }
    };
var request = new XMLHttpRequest();
request.open("GET", "http://URLtoExternalJS");
request.send();
var myincludes = request.response.toString();
document.write(myincludes);

How do i add an external source of javascript to the existing .js in the firefox extension ?

Answer 1

Using the Addon-sdk:

You don't have to load javascript with Ajax, just include your js file with PageMod API it will be injected every time you visit a site matching the "include" value you can specify in the PageMod API