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window.onload=function() { var txt=document.getElementById('txt'); var oBtn=document.getElementById('btn'); oBtn.onclick=function() { var oWindow=window.open('about:blank','_blank'); oWindow.document.write(txt.value); txt.value=''; }; };
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 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>无标题文档</title> 6 <script> 7 window.onload=function() 8 { 9 var txt=document.getElementById('txt'); 10 var oBtn=document.getElementById('btn'); 11 12 oBtn.onclick=function() 13 { 14 var oWindow=window.open('about:blank','_blank'); 15 oWindow.document.write(txt.value); 16 txt.value=''; 17 }; 18 }; 19 </script> 20 </head> 21 22 <body> 23 <textarea id="txt" rows="10" cols="40"></textarea><br /> 24 <input type="button" value="运行代码" id="btn" /> 25 </body> 26 </html>