Created
February 26, 2011 04:12
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空の入力フォームにヒントメッセージを表示する JavaScript
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| <html> | |
| <head> | |
| <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script> | |
| <script type="text/javascript"> | |
| <!-- | |
| $(function(){ | |
| $("input.input-hint").fillHint(); | |
| }); | |
| jQuery.fn.extend({ | |
| fillHint: function() { | |
| var $$ = $(this); | |
| var defaultWord = $(this).attr('title'); | |
| $(this) | |
| .focus( function(){ | |
| if( $.trim($(this).val()) == defaultWord ){ | |
| $(this).css('color', '#000') | |
| .val(''); | |
| } | |
| }); | |
| $(this) | |
| .blur( function(){ | |
| if( $.trim($(this).val()) == defaultWord || $.trim($(this).val()) == '') { | |
| $(this).css('color', '#999') | |
| .val(defaultWord) | |
| } | |
| }); | |
| $(this).parents('form:first') | |
| .submit(function(){ | |
| if ($.trim($$.val()) == defaultWord) { | |
| $$.triggerHandler('focus'); | |
| } | |
| }).end() | |
| .blur(); | |
| return $(this); | |
| } | |
| }); | |
| --> | |
| </script> | |
| </head> | |
| <body> | |
| <form action="" method="POST" id="form"> | |
| 検索: <input type="text" size="30" name="hoge" class="input-hint" title="検索キーワードを入力してください" value=""/><br/> | |
| <input type="submit" value="検索"/> | |
| </form> | |
| </body> | |
| </html> |
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