$.each遍历json数组

1.遍历单层json数组 我们把idx和obj都打印出来看看，到底是什么东西 var json1 =[{"id":"1","tagName":"apple"}, {"id":"2","tagName":"orange"}, {"id":"3","tagName":"banana"}, {"id":"4","tagName":"watermelon"}, {"id":

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