1 <!DOCTYPE html> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 5 <title></title> 6 <script src="Js/jquery-1.8.2.min.js"></script> 7 <script type="text/javascript"> 8 function trim(str) { 9 str = str.replace(/^(\s|\u00A0)+/, ‘‘); 10 for (var i = str.length - 1; i >= 0; i--) { 11 if (/\S/.test(str.charAt(i))) { 12 str = str.substring(0, i + 1); 13 break; 14 } 15 } 16 return str; 17 } 18 $(function () { 19 $("#bt").click(function () { 20 var temp = $(‘#tes‘); 21 var c = temp[0]; 22 alert(‘test‘ + trim(temp.val()) + ‘str‘) 23 }) 24 }) 25 </script> 26 </head> 27 <body> 28 输入:<input id="tes" type="text" /><br /> 29 <input id="bt" type="button" value="检测" /> 30 </body> 31 </html>
时间: 2024-10-19 19:06:45