如何用 JavaScript 設定元素的最小寬度?


在 JavaScript 中使用 minWidth 屬性來設定最小寬度。你可以嘗試執行以下程式碼來用 JavaScript 設定元素的最小寬度 -

示例

即時演示

<!DOCTYPE html>
<html>
   <head>
      <style>
         #box {
            width: 50%;
            background-color: gray;
         }
      </style>
   </head>
   <body>
      <p>Click below to set Minimum width.</p>
      <button type="button" onclick="display()">Min Width</button>
      <div id="box">
         <p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
         <p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
         <p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
         <p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
         <p>This is a div. This is a div. This is a div. This is a div. This is a div.</p>
      </div>
      <br>
      <script>
         function display() {
            document.getElementById("box").style.minWidth = "500px";
         }
      </script>
   </body>
</html>

更新於: 2020 年 6 月 23 日

949 次瀏覽

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