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
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{{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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