日期:2014-05-16 浏览次数:20449 次
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Insert title here</title> <script type="text/javascript"> document.getElementById("text").value = "Hello"; </script> </head> <body> <textarea rows="10" cols="80" id="text"></textarea> </body> </html>
<textarea rows="10" cols="80" id="text"></textarea> <script type="text/javascript"> document.getElementById("text").value = "Hello"; </script>
------解决方案--------------------
需要等dom加载完了 再操作
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Insert title here</title> </head> <body> <textarea rows="10" cols="80" id="text"></textarea> <script type="text/javascript"> document.getElementById("text").value = "Hello"; </script> </body> </html>