之后如何包含特定的javascript文件 <body> 标签
[英]How to include a certain javascript file after <body> tag
问题描述
I'm getting an error TypeError: document.body is null in javascript. 
我收到错误TypeError: document.body is null javascript中TypeError: document.body is null 。
And the solution is found here. 解决方案在这里找到。 But the problem is that how can I load the specific javascript file(where the error come from) after <body> ? 但是问题是，如何在<body>之后加载特定的javascript文件（错误来自哪里）？ Or just add a window.onload = function() to this file? 或者只是将window.onload = function()添加到此文件？
and especially, how to tell the path of the javascript file to the app? 尤其是如何判断javascript文件到该应用的路径？
I only know how to include every file into the application.js , which would trigger before the <body> load 我只知道如何将每个文件包含到application.js ，该文件将在<body>加载之前触发
1 个解决方案
解决方案1
1 已采纳 2013-07-22 07:57:18
Since you mention application.js I assume you're using Rails? 由于您提到了application.js所以我假设您正在使用Rails？ In that case, use javascript_include_tag to include your file in the application.html.erb just before the closing </body> tag. 在这种情况下，请使用javascript_include_tag在</body>标记之前将文件包含在application.html.erb 。
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