<html> <body> <script language="JavaScript" type="text/javascript"> function addEvent(eventHandler) { var tags = document.getElementsByTagName('input'); for(var i=0;i<tags.length;i++) { if(tags[i].getAttribute('url') == 'true') { if(tags[i].addEventListener) { tags[i].addEventListener('keyup',eventHandler,true); } else { tags[i].attachEvent('onkeyup',eventHandler); } } } } function addInput(e) { var obj = e.target ? e.target : e.srcElement; var tags = document.getElementsByTagName('input'); for(var i=0;i<tags.length;i++) { if(tags[i].getAttribute('url') == 'true'&&tags[i]!=obj) { tags[i].value = obj.value; } } } window.onload = function() { addEvent(addInput); } </script> <p> <input size="35" value="" url="true" /> </p> <p> <input size="35" value="" url="true" /> </p> <p> <input size="35" value="" url="true" /> </p> <p> <input size="35" value="" url="true" /> </p> </body> </html>
图例2
<html> <head> <script type="text/javascript" src="https://www.jb51.net/jquery-1.4.4.min.js"></script> <script type="text/javascript"> function getNM(id) { var name2 = $("#"+id+"").val(); if (name2 != "") { for(var i=3;i<6;i++) $("#NM"+i+"").val(name2); } } </script> </head> <body> <input type="text" value="" /> <input type="text" value="" /> <input type="text" value="" onkeyup="getNM(this.id)"/> <input type="text" value="" onkeyup="getNM(this.id)"/> <input type="text" value="" onkeyup="getNM(this.id)"/> </body> </html>
需要引用 <script type="text/javascript" src="https://www.jb51.net/jquery-1.4.4.min.js"></script>