延迟加载js

application/third_party/htmlcompressor/controllers/index.php

@@ -60,8 +60,7 @@ class Index extends CI_Controller {
                     $link_script->outertext = ''; //删除链接，移动到页底
                 } else {
                     //网页内的js不需要提取
-                    //$js_content.= $link_script->innertext;//js的内容
+                    $js_content.= $link_script->innertext;//js的内容
-                    $js_content.= $link_script;
                     $link_script->outertext = ''; //删除js，移动到页底
                 }
             }
@@ -90,7 +89,7 @@ class Index extends CI_Controller {
 
 //在最后加载原始css文件和js文件
             //把css移动到页面底部，延迟加载
-            $lastload_js = '<script defer>';
+            $lastload_js = '<script type="text/javascript" defer>';
             foreach ($link_css_array as $item) {
                 $lastload_js.='var elem=document.createElement("link");elem.rel="stylesheet";elem.type="text/css";elem.href="' . $item . '";document.body.appendChild(elem);';
             }
@@ -99,7 +98,7 @@ class Index extends CI_Controller {
             foreach ($link_js_array as $item) {
                 $lastload_js.='<script defer  src="' . $item . '"></script>';
             }
-            $lastload_js.=$js_content;
+            $lastload_js.='<script type="text/javascript" defer>'.$js_content.'</script>';
 
             $html_object = str_replace('</body>', $lastload_js . '</body>', $html_object);
         }