js禁用和激活input表单的方法 时间:2020-05-12 人气:0 <!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> <title> js激活和禁用input文本_</title> <meta name="generator" content="editplus" /> <meta name="author" content="" /> <meta name="keywords" content="" /> <meta name="description" content="" /> <script type="text/javascript"> function $(id) {return document.getElementById(id)} function editInput(tag) { obj = $(tag); if(!obj) return false; obj.style.backgroundColor = "#ADA8A7"; $('bt').onclick=function() { obj.disabled = false; obj.style.backgroundColor = "#fff"; } } </script> </head> <body onload="editInput('test')"> <input type="text" value="test" disabled="disabled" id="test"> <input id="bt" type="button" value="修改"> </body> </html> [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行] 加载全部内容