JS文本框追加多个下拉框的值的简单实例
发布时间:2020-12-14 23:28:07 所属栏目:资源 来源:网络整理
导读:复制代码 代码如下: 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" function doit(ofr
复制代码 代码如下: <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"> function doit(ofrm){ //ofrm.t1.value=parseInt(ofrm.s1.value)+parseInt(ofrm.s2.value)+parseInt(ofrm.s3.value)+parseInt(ofrm.s4.value); ofrmofrm.t1.value=ofrm.s1.value+ofrm.s2.value+ofrm.s3.value+ofrm.s4.value; } </script> </HEAD> <BODY> <form name="tfrm"> <select name="s1" onChange="javascript:doit(this.form);"> <option value="*" selected>请选择</option> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> </select> <select name="s2" onChange="javascript:doit(this.form);"> <option value="*" selected>请选择</option> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> </select> <select name="s3" onChange="javascript:doit(this.form);"> <option value="*" selected>请选择</option> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> </select> <select name="s4" onChange="javascript:doit(this.form);"> <option value="*" selected>请选择</option> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> </select> <input type="text" name="t1" value=""> </form> </BODY> </HTML> (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |