textarea設置初始值 jquery控制表單輸入框顯示默認值的方法？
jquery控制表單輸入框顯示默認值的方法？<!DOCTYPE html> <html> <head> <script language="javascript" src=
jquery控制表單輸入框顯示默認值的方法？
<!DOCTYPE html> <html> <head> <script language="javascript" src="https://img.kmw.comjquery-1.6.2.min.js"></script> <script type="text/javascript"> $(document).ready(function() { $(".someClass").each(function() { var $this = $(this) var defaultVal = $this.attr("title") $this.focus(function() { if ($this.val() === defaultVal) { $this.val("") } }) $this.blur(function() { if ($this.val().length === 0) { $this.val(defaultVal) } }) }) }) </script> <style> input { display:block margin-bottom:5px } </style> </head> <body> <input class="someClass" type="text" title="Name" value="Name" /> <input class="someClass" type="text" title="Email Address" value="Email Address" /> <input class="someClass" type="text" title="Default Value Here" value="Insert form refill here" /> </body> </html>