js中怎麼刪除對象的某個key值?js 遍歷數組，有用！！

formThead: { cate: false, id: true, out_trade_no: true, product_id: false, product: true, price: true, is_coupon: true, coupon_id: true, pay_price: true, is_pay: true, pay_time:

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