Uncaught TypeError: Cannot read property 'length' of undefined
2016-12-22 00:00
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1.getJSON异步获取数据出现jquery报错
Uncaught TypeError: Cannot read property 'length' of undefined
问题：说明你each()遍历的不是一个数组，检查遍历数据是否正确
Uncaught TypeError: Cannot read property 'length' of undefined
问题：说明你each()遍历的不是一个数组，检查遍历数据是否正确
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