IE8浏览器问题

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SCRIPT1010: 缺少标识符 常见原因

SCRIPT1010: 缺少标识符 ，一般是在IE下会出现这个问题。
出现这个问题的原因主要有以下几点：

• 1、出现了多余的逗号：","
• 2、使用了js中保留的关键词，如： default, delete 等

解决方案，参考 http://www.jianshu.com/p/85a4319e3bf4
http://blog.csdn.net/a324539017/article/details/52824189
http://blog.csdn.net/gua_381091614/article/details/50498811

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已添加解决方案 #3

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IE8自定义指令参考：
https://stackoverflow.com/questions/18293118/angularui-compatible-browsers

网友提供兼容IE8的ng1.4版本
https://github.com/fergaldoyle/angular.js-ie8-builds

When using $q promise methods catch or finally in IE8 use bracket notation instead of dot notation. Same goes for $http delete method. IE8 does not like dot notation with these reserved words.

// no
promise.catch(function(){});

// yes
promise['catch'](function(){});