實時監控輸入框,兩個輸入框數據不爲零的時候按鈕變色

//判斷按鈕變色 var invoiceName = 0 ; var invoiceNumber = 0; console.log(invoiceName); //實時監控輸入框內容 $(document).on("input propertychange",".invoiceName", function(){ invoiceName = $(".invoiceName").val().l

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