vue中判断数组长度length报错

{{pawnList.length>0 ? pawnList.name : ''}}报错：Error in render: "TypeError: Cannot read property 'length' of undefined" 解决办法：{{pawnList!== undefined && pawnList!== null

Joshua02

42270人浏览 · 2018-11-22 10:19:13

Joshua02 · 2018-11-22 10:19:13 发布

{{pawnList.length>0 ? pawnList.name : ''}}

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

解决办法：

{{pawnList!== undefined && pawnList!== null && pawnList.length>0 
? pawnList.name 
: ''}}

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