如果某個 input 沒有輸入就不能submit

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html 代碼


以下引用了jquery

<link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.10.2.js"></script>
  <script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>

再加上這段

這樣一來id_model_number和id_name必須有輸入數據才能submit


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