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vue项目 Error in render: "TypeError: Cannot read property 'length' of undefined"

html vue information-technology

[摘要] 

报错：Error in render: “TypeError: Cannot read property ’l […]

1报错：Error in render: "TypeError: Cannot read property 'length' of undefined"

解决办法：

1shopListData.attrs !== undefined && shopListData.attrs.length >0