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法律學允許在不同螢幕上對 Bootstrap 中的 flex 專案進行包裹
要允許在不同螢幕上包裹 flex 專案，請使用 flex-*-wrap 類。針對不同螢幕尺寸的 flex-wrap 適用於小、中、大和超大螢幕。
例如，使用 flex-lg-wrap 類可以在大螢幕上包裹 flex 專案 -
<div class="d-flex flex-lg-wrap bg-primary">
對於小螢幕 -
<div class="d-flex flex-sm-wrap bg-primary">
你可以嘗試執行以下程式碼來實現 flex-*-wrap 類以在小和大螢幕尺寸上包裹 flex 專案 -
示例
<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <div class="container mt-3"> <h3>Flex Examples</h3> <p>Wrap - Yes</p> <div class="d-flex flex-wrap bg-primary"> <div class="p-2 border">Poland</div> <div class="p-2 border">Netherlands</div> <div class="p-2 border">Ireland</div> <div class="p-2 border">Brazil</div> <div class="p-2 border">India</div> <div class="p-2 border">US</div> <div class="p-2 border">Bangladesh</div> <div class="p-2 border">Russia</div> <div class="p-2 border">Morocco</div> <div class="p-2 border">UK</div> <div class="p-2 border">Australia</div> <div class="p-2 border">Denmark</div> </div> <br> <p>Will wrap on Small Screen</p> <div class="d-flex flex-sm-wrap bg-primary"> <div class="p-2 border">Poland</div> <div class="p-2 border">Netherlands</div> <div class="p-2 border">Ireland</div> <div class="p-2 border">Brazil</div> <div class="p-2 border">India</div> <div class="p-2 border">US</div> <div class="p-2 border">Bangladesh</div> <div class="p-2 border">Russia</div> <div class="p-2 border">Morocco</div> <div class="p-2 border">UK</div> <div class="p-2 border">Australia</div> <div class="p-2 border">Denmark</div> </div><br> <p>Will Wrap on Large Screen</p> <div class="d-flex flex-lg-wrap bg-primary"> <div class="p-2 border">Poland</div> <div class="p-2 border">Netherlands</div> <div class="p-2 border">Ireland</div> <div class="p-2 border">Brazil</div> <div class="p-2 border">India</div> <div class="p-2 border">US</div> <div class="p-2 border">Bangladesh</div> <div class="p-2 border">Russia</div> <div class="p-2 border">Morocco</div> <div class="p-2 border">UK</div> <div class="p-2 border">Australia</div> <div class="p-2 border">Denmark</div> </div><br> </div> </body> </html>
更新於: 18-6 月-2020
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