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  • jQuery

     

    Description

    The slice( start, end ) method selects a subset of the matched elements.

    Syntax

    Here is the simple syntax to use this method −

    selector.slice( start, end )
    

    Parameters

    Here is the description of all the parameters used by this method −

    • start − Where to start the subset. The first element is at zero. Can be negative to start from the end of the selection.

    • end − Where to end the subset excluding end element. If unspecified, ends at the end of the selection.

    Example

    Following is a simple example a simple showing the usage of this method −

    <html>
       <head>
          <title>The jQuery Example</title>
          <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
    		
          <script type="text/javascript" language="javascript">
             $(document).ready(function() {
                $("li").slice(2, 5).addClass("selected");
             });
          </script>
    		
          <style>
             .selected { color:red; }
          </style>
    		
       </head>
    	
       <body>
          <div>
    		
             <ul>
                <li class="above">list item 0</li>
                <li class="top">list item 1</li>
                <li class="top">list item 2</li>
                <li class="middle">list item 3</li>
                <li class="middle">list item 4</li>
                <li class="bottom">list item 5</li>
                <li class="bottom">list item 6</li>
                <li class="below">list item 7</li>
             </ul>
    			
           </div>
       </body>
    </html>
    

      

    This will produce following result −

    <html>
       <head>
          <title>The jQuery Example</title>
          <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
    		
          <script type="text/javascript" language="javascript">
             $(document).ready(function() {
                $("li").slice(2, 5).addClass("selected");
             });
          </script>
    		
          <style>
             .selected { color:red; }
          </style>
    		
       </head>
    	
       <body>
          <div>
    		
             <ul>
                <li class="above">list item 0</li>
                <li class="top">list item 1</li>
                <li class="selected">list item 2</li>
                <li class="selected">list item 3</li>
                <li class="selected">list item 4</li>
                <li class="bottom">list item 5</li>
                <li class="bottom">list item 6</li>
                <li class="below">list item 7</li>
             </ul>
    			
          </div>
       </body>
    </html>
    

      

    This will produce following result −

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  • 原文地址:https://www.cnblogs.com/hephec/p/4574423.html
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