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js 取list中map 中元素的值

res = {"total":20,"JEZJ":[{"JEZJ":6993048.790000}],"rows":[{"KHMC":"張野","WLBH":"1000104","DDZT":"已取消","DDRQ":"2018/03/03","DDSL":5.700000,"XTDDBH":1,"OpenQty":0.000000,"JHRQ":"2018/03/04","JE":370.500000,"WLMC":"17105出水芙蓉紫色布","YWU":"-無銷售員工-","rowid":1,"U_T014":0.000000,"DJ":65.000000}]}

上面是資料,取JEZJ的6993048.790000這個值,方法如下:

$("#jezj").html(res.JEZJ[0]['JEZJ']);