JQuery select()用法及代碼示例

jQueryselect()method 是一種內置方法，在文本區域或文本字段中選擇(或標記)某些字母或單詞時使用。

用法:

$(selector).select(function);

參數：該方法接受單個參數函數這是可選的。函數參數將在 select 方法調用後運行。

下麵的示例說明了 jQuery 中的 select() 方法：

示例 1：在此示例中，當我們在框中選擇某些內容時，將會出現pop-op。

HTML


<!DOCTYPE html>
<html>
<head>
    <title>Select Method</title>
    <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
    </script>
    <!-- JQuery code to show the working of this method -->
    <script>
        $(document).ready(function () {
            $("input").select(function () {
                alert("Something was selected");
            });
        });
    </script>
    <style>
        div {
            width: 250px;
            height: 40px;
            padding: 20px;
            border: 2px solid green;
        }
    </style>
</head>
<body>
    <div>
        <!-- select any thing from inside this field -->
        <input type="text" value="GeeksforGeeks!">
    </div>
</body>
</html>

輸出：

示例 2：在此示例中，當我們在框中選擇某些內容時，背景顏色將會改變。

HTML


<!DOCTYPE html>
<html>
<head>
    <title>Select Method</title>
    <script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
    </script>
    <!-- JQuery code to show the working of this method -->
    <script>
        $(document).ready(function () {
            $("div").select(function () {
                $("textarea").css(
                    "background-color", "green");
            });
        });
    </script>
    <style>
        div {
            width: 500px;
            height: 100px;
            padding: 20px;
            border: 2px solid green;
        }
    </style>
</head>
<body>
    <div>
        <!-- select any thing from inside the box -->
        <textarea>
            A Computer Science portal for geeks. It 
            contains well written, well thought 
            and well explained computer science and 
            programming articles, quizzes and 
            practice/competitive programming/company 
            interview Questions.
        </textarea>
    </div>
</body>
</html>

輸出：

相關用法

注：本文由純淨天空篩選整理自kundankumarjha大神的英文原創作品 jQuery select() Method。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。