Cannot read properties of undefined (reading 'discount') uniapp

引用和中提到了"Cannot read properties of undefined (reading 'type')"和"Cannot read property ‘msie’ of undefined"的错误。这种错误通常发生在代码中尝试读取未定义或未初始化的属性时。这可能是因为变量没有被正确赋值或者没有被正确声明。需要检查代码中相关变量的定义和赋值，确保它们被正确初始化。另外，也可以尝试使用条件语句或者undefined检查来避免读取未定义属性时的错误。

关于uniapp中的"Cannot read properties of undefined (reading 'discount')"的问题，根据提供的引用内容，无法确定具体的上下文和代码细节。但是根据错误信息，该错误可能是在尝试读取名为'discount'的属性时出现了未定义的情况。需要检查代码中相关的对象或变量是否正确定义和赋值。确保对象或变量在读取之前已经被正确初始化。如果需要，可以使用条件语句或者undefined检查来避免读取未定义属性时的错误。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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