通过单击链接向文本输入添加内容。

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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  2. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
  3. <head>
  4. 	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  5. 	<title>Title</title>
  6. 	<script type="text/javascript" src="http://code.jquery.com/jquery-1.4.min.js"></script>
  7. </head>
  8. <body>
  9.  
  10. 	<h1>Approach 1</h1>
  11. 	<a id="td_msg">Click <b>here</b></a>
  12. 	<input type="text" id="target" />
  13. 	<script type="text/javascript">    
  14.  
  15. 		/* Always use the 'document ready' code with jQuery.  Here's why: http://docs.jquery.com/How_jQuery_Works#Launching_Code_on_Document_Ready */
  16. 		$(document).ready(function(){
  17.  
  18. 			/* This script will REPLACE the input's content every time you click on the link. */
  19. 			$('#td_msg').click(function(){    // Whenever the user clicks on the link with id 'td_msg',
  20. 				var thisValue = $(this).text(); // store the text inside of this link as a string value,
  21. 				var thisTarget = $('#target');  // store the target element that you want to manipulate,
  22. 				thisTarget.val(thisValue);      // and finally assign the link's content as the value of the text input.
  23. 				return false;                   // This line will prevent the default link behavior.
  24. 			});
  25.  
  26. 		});
  27. 	</script>
  28.  
  29. 	<hr />
  30.  
  31. 	<h1>Approach 2</h1>
  32. 	<a id="td_msg2">Click <b>here</b></a>
  33. 	<input type="text" id="target2" />
  34. 	<script type="text/javascript">    
  35.  
  36. 		$(document).ready(function(){
  37.  
  38. 			/* This script will APPEND the input's content every time you click on the link. */
  39. 			$('#td_msg2').click(function(){            // Whenever the user clicks on the link with id 'td_msg2',
  40. 				var thisValue = $(this).text();          // store the text inside of this link as a string value,
  41. 				var thisTarget = $('#target2');          // store the target element that you want to manipulate,
  42. 				var targetVal = thisTarget.val();        // store the target element's value,
  43. 				thisTarget.val(targetVal+' '+thisValue); // and finally assign the link's content as the value of the text input.
  44. 				return false;                            // This line will prevent the default link behavior.
  45. 			});
  46.  
  47. 		});
  48. 	</script>
  49.  
  50. </body>
  51. </html>

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