below is the json data. What I want to do Is, I want to check if the data is empty then, the No Records text will be shown. Below is my code. However I always get the Uncaught TypeError: Cannot read property 'detailedInfo' of undefined at line below is the json data. What I want to do Is, I
阅读背景：
如何检查json Data中的值是否为null
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