我正在使用外部文件作为src注入脚本标签,然后调用回调函数来注入HTML。但是当我进行调试时,它的执行顺序如下:
- 注入jquery。
- 注入HTML(回调函数)
- 注入剩余的脚本标签。
- 注入所有脚本。
- 注入HTML。
injectJavaScripts([
"lib/jquery/dist/jquery.js",
"lib/angular/angular.js",
"lib/angular-route/angular-route.js",
"lib/ui-router/release/angular-ui-router.js",
"src/app.js",
"src/LoginController.js",
"src/LogoutController.js",
"src/MainController.js"
], function() {
injectHTML();
});
function injectJavaScripts(urls, callback) {
var elements = [];
urls.forEach(function (url) {
var s = document.createElement('script');
s.src = chrome.extension.getURL(url);
elements.push(s);
});
var target = document.body || document.documentElement;
var i = 0;
var patchNext = function () {
if (i >= elements.length) return;
else if (i > 0) {
elements[i - 1].onload = null;
}
elements[i].onload = patchNext;
target.appendChild(elements[i]);
i += 1;
};
patchNext();
callback();
};
function injectHTML() {
var logged = false;
var cheapWatcherDiv = document.createElement('div');
cheapWatcherDiv.setAttribute('class', 'cheap-watcher');
document.body.appendChild(cheapWatcherDiv);
if (logged == false) {
$(".cheap-watcher").load(chrome.extension.getURL('views/main.html'));
$('head').append('<link rel="stylesheet" href="' + chrome.extension.getURL('sass/main.css') + '" type="text/css" />');
} else {
$(".cheap-watcher").load(chrome.extension.getURL('views/logoutTemplate.html'));
}
};