lazyload js +注释

@@ -10,10 +10,13 @@ require('lazyload');
 
 
 exports.init = function() {
+
+    //相关文章截取文字
     ellipsis.init();
     $(".post-list").find("span").each(function(){
         $(this).mlellipsis(2);
     })
 
+    //图片懒加载
     $("img.lazy").lazyload();
 }
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