HTML Style textOverflow用法及代碼示例

HTML DOM中的Style textOverflow屬性用於指定文本在包含元素框溢出時的行為。

用法:

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

它用於設置textOverflow屬性。

object.style.textOverflow = "clip|ellipsis|initial|inherit"

屬性值：

clip:如果內容溢出，則用於剪輯內容。它是默認值。

例：

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style textOverflow Property 
    </title> 
      
    <style> 
        .content { 
            background-color:lightgreen; 
            height:100px; 
            width:300px; 
            white-space:nowrap; 
            overflow:hidden; 
            text-overflow:ellipsis; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style textOverflow Property</b> 
      
    <p> 
        The textOverflow property specifies how text 
        should be displayed when it overflows the  
        container element. 
    </p> 
      
    <div class="content"> 
        GeeksforGeeks is a computer science portal with 
        a huge variety of well written <br>explained  
        computer science and programming articles,  
        quizzes and interview questions. <br>The portal 
        also has dedicated GATE preparation and  
        competitive programming sections. 
    </div> 
      
    <button onclick="setOverflow()"> 
        Change textOverflow 
    </button> 
  
    <!-- Script to set textOverflow to clip -->
    <script> 
        function setOverflow() { 
            elem = document.querySelector('.content'); 
            elem.style.textOverflow = 'clip'; 
        } 
    </script> 
</body> 
  
</html>

輸出：
在單擊按鈕之前：
clip-before
單擊按鈕後：
clip-after

ellipsis:當文本溢出時，它用於顯示省略號。

例：

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style textOverflow Property 
    </title> 
      
    <style> 
        .content { 
            background-color:lightgreen; 
            height:100px; 
            width:300px; 
            white-space:nowrap; 
            overflow:hidden; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style textOverflow Property</b> 
      
    <p> 
        The textOverflow property specifies how text 
        should be displayed when it overflows the  
        container element. 
    </p> 
      
    <div class="content"> 
        GeeksforGeeks is a computer science portal with 
        a huge variety of well written <br>explained  
        computer science and programming articles,  
        quizzes and interview questions. <br>The portal 
        also has dedicated GATE preparation and  
        competitive programming sections. 
    </div> 
      
    <button onclick="setOverflow()"> 
        Change textOverflow 
    </button> 
  
    <!-- Script to set textOverflow to clip -->
    <script> 
        function setOverflow() { 
            elem = document.querySelector('.content'); 
            elem.style.textOverflow = 'ellipsis'; 
        } 
    </script> 
</body> 
  
</html>

輸出：
在單擊按鈕之前：
ellipsis-before
單擊按鈕後：
ellipsis-after

initial:它用於將此屬性設置為其默認值。

例：

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style textOverflow Property 
    </title> 
      
    <style> 
        .content { 
            background-color:lightgreen; 
            height:100px; 
            width:300px; 
            white-space:nowrap; 
            overflow:hidden; 
            text-overflow:ellipsis; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style textOverflow Property</b> 
      
    <p> 
        The textOverflow property specifies how text 
        should be displayed when it overflows the  
        container element. 
    </p> 
      
    <div class="content"> 
        GeeksforGeeks is a computer science portal with 
        a huge variety of well written <br>explained  
        computer science and programming articles,  
        quizzes and interview questions. <br>The portal 
        also has dedicated GATE preparation and  
        competitive programming sections. 
    </div> 
      
    <button onclick="setOverflow()"> 
        Change textOverflow 
    </button> 
  
    <!-- Script to set textOverflow to clip -->
    <script> 
        function setOverflow() { 
            elem = document.querySelector('.content'); 
            elem.style.textOverflow = 'initial'; 
        } 
    </script> 
</body> 
  
</html>

輸出：
在單擊按鈕之前：
initial-before
單擊按鈕後：
initial-after

inherit:它從其父元素繼承屬性。
Example:

<!DOCTYPE html> 
<html> 
      
<head> 
    <title> 
        DOM Style textOverflow Property 
    </title> 
      
    <style> 
        #parent { 
            text-overflow:ellipsis; 
        } 
        .content { 
            background-color:lightgreen; 
            height:100px; 
            width:300px; 
            white-space:nowrap; 
            overflow:hidden; 
        } 
    </style> 
</head> 
  
<body> 
    <h1 style="color:green"> 
        GeeksforGeeks 
    </h1> 
      
    <b>DOM Style textOverflow Property</b> 
      
    <p> 
        The textOverflow property specifies how text 
        should be displayed when it overflows the 
        container element. 
    </p> 
      
    <div id="parent"> 
        <div class="content"> 
            GeeksforGeeks is a computer science portal with 
            a huge variety of well written <br>explained  
            computer science and programming articles, 
            quizzes and interview questions. <br>The portal 
            also has dedicated GATE preparation and  
            competitive programming sections. 
        </div> 
    </div> 
      
    <button onclick="setOverflow()"> 
        Change textOverflow 
    </button> 
  
    <!-- Script to set textOverflow to inherit -->
    <script> 
        function setOverflow() { 
            elem = document.querySelector('.content'); 
            elem.style.textOverflow = 'inherit'; 
        } 
    </script> 
</body> 
  
</html>

輸出：
在單擊按鈕之前：
inherit-before
單擊按鈕後：
inherit-after

支持的瀏覽器：下麵列出了textOverflow屬性支持的瀏覽器：

穀歌瀏覽器
IE瀏覽器
Firefox
蘋果Safari
Opera

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 textOverflow 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。