javascript,js，把下拉的值放到文本框里，下拉的值累加/追加到文本框里，js取出文本框的值
<html> <head><meta http-equiv="Content-Type" content="text ml; charset=GB2312" /><title>Untitled Document</title><script language="JavaScript" type="text/javascript">function changeIt(){ text1.value += select1.options.value+","; alert(text1.value);} </script> </head> <body><select name="select1" id="select1" onchange="changeIt()"> <option value="A">A</option> <option value="B">B</option> <option value="C">C</option><select><input type="text" id="text1" /> </body><html>上边是第一种方法：直接使用value
第二种方法：使用innerText
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML> <HEAD><TITLE> New Document </TITLE><META NAME="Generator" CONTENT="EditPlus"><META NAME="Author" CONTENT=""><META NAME="Keywords" CONTENT=""><META NAME="Description" CONTENT=""><script language="JavaScript" type="text/javascript">function dochange(){ var select_Value=document.getElementById("select_Id").value; var text_Value=document.getElementById("text_Id"); text_Value.innerText=select_Value;}</script> </HEAD> <BODY> <select name="select1" id="select_Id" onchange="dochange()"> <option value="选择了第一个">选择了第一个</option> <option value="选择了第二个">选择了第二个</option> <option value="选择了第三个">选择了第三个</option> <select> <input type="text" id="text_Id" /> </BODY></HTML>
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