HTML Style outlineWidth用法及代碼示例

DOM樣式outlineWidth屬性用於設置或返回元素周圍輪廓的寬度。輪廓線是在元素邊界之外的指定元素周圍創建的線，以使特定區域與眾不同且易於區分。

用法:

它返回outlineWidth屬性。
```
object.style.outlineWidth
```

它用於設置outlineWidth屬性。

object.style.outlineWidth = "thin|medium|thick|length|initial|
inherit"

屬性值：

thin:它將輪廓寬度設置為細，實現的輪廓比寬度指定為中等和厚的輪廓要細。
Example:

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style outlineWidth Property 
    </title> 
  
    <style> 
        .elem { 
            outline-style:dashed; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style OutlineWidth</b> 
      
    <p class="elem"> 
        GeeksforGeeks is a computer science portal 
        with a huge variety of well written and  
        explained computer science and programming 
        articles, quizzes and interview questions. 
        The portal also has dedicated GATE preparation 
        and competitive programming sections. 
    </p> 
      
    <button onclick="changeWidth()"> 
        Change outlineWidth 
    </button> 
      
    <!--Script to change the outline width -->
    <script> 
        function changeWidth() { 
            elem = document.querySelector('.elem'); 
            elem.style.outlineWidth = 'thin'; 
        } 
    </script> 
</body> 
  
</html>

輸出：

在單擊按鈕之前：
單擊按鈕後：

medium:它將輪廓寬度設置為默認值。輪廓的寬度比輪廓設置的厚度薄，並且比輪廓設置為細的輪廓厚。
Example:

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style outlineWidth Property 
    </title> 
  
    <style> 
        .elem { 
            outline-style:dashed; 
            outline-width:thin; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style OutlineWidth</b> 
      
    <p class="elem"> 
        GeeksforGeeks is a computer science portal 
        with a huge variety of well written and  
        explained computer science and programming 
        articles, quizzes and interview questions. 
        The portal also has dedicated GATE preparation 
        and competitive programming sections. 
    </p> 
      
    <button onclick="changeWidth()"> 
        Change outlineWidth 
    </button> 
      
    <!--Script to change the outline width -->
    <script> 
        function changeWidth() { 
            elem = document.querySelector('.elem'); 
            elem.style.outlineWidth = 'medium'; 
        } 
    </script> 
</body> 
  
</html>

輸出：

在單擊按鈕之前：
單擊按鈕後：

thick:它將輪廓寬度設置為厚，獲得的輪廓要比以寬度和中等寬度指定的輪廓要厚。
Example:

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style outlineWidth Property 
    </title> 
  
    <style> 
        .elem { 
            outline-style:dashed; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style OutlineWidth</b> 
      
    <p class="elem"> 
        GeeksforGeeks is a computer science portal 
        with a huge variety of well written and  
        explained computer science and programming 
        articles, quizzes and interview questions. 
        The portal also has dedicated GATE preparation 
        and competitive programming sections. 
    </p> 
      
    <button onclick="changeWidth()"> 
        Change outlineWidth 
    </button> 
      
    <!--Script to change the outline width -->
    <script> 
        function changeWidth() { 
            elem = document.querySelector('.elem'); 
            elem.style.outlineWidth = 'thick'; 
        } 
    </script> 
</body> 
  
</html>

輸出：

在單擊按鈕之前：
單擊按鈕後：

length:用於以長度單位定義輪廓寬度。
Example:

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style outlineWidth Property 
    </title> 
  
    <style> 
        .elem { 
            outline-style:dashed; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style OutlineWidth</b> 
      
    <p class="elem"> 
        GeeksforGeeks is a computer science portal 
        with a huge variety of well written and  
        explained computer science and programming 
        articles, quizzes and interview questions. 
        The portal also has dedicated GATE preparation 
        and competitive programming sections. 
    </p> 
      
    <button onclick="changeWidth()"> 
        Change outlineWidth 
    </button> 
      
    <!--Script to change the outline width -->
    <script> 
        function changeWidth() { 
            elem = document.querySelector('.elem'); 
            elem.style.outlineWidth = '10px'; 
        } 
    </script> 
</body> 
  
</html>

輸出：

在單擊按鈕之前：
單擊按鈕後：

initial:它用於將此屬性設置為其默認值。
Example:

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style outlineWidth Property 
    </title> 
  
    <style> 
        .elem { 
            outline-style:dashed; 
            outline-width:4px; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style OutlineWidth</b>

相關用法

注：本文由純淨天空篩選整理自sayantanm19大神的英文原創作品 HTML | DOM Style outlineWidth Property。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。