first commit

js/cover.js

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+/**
+ * 版权所有：bmy
+ * 邮箱：2271608011@qq.com
+ * 备注：代码没啥好看的，写给自己用
+ */
+
+// 注入js文件
+
+let scriptUrl = [
+  '/js/jquery-1.9.1.min.js',
+  '/js/script.js'
+]
+
+if(document.head) {
+  scriptUrl.forEach(v => createdScript(v))
+}
+
+function createdScript(path) {
+  let script = document.createElement('script');
+  script.src = chrome.runtime.getURL(path);
+  document.head.appendChild(script)
+}