demo1.html
<html> <Head> <title> 提交表单页 </itlect> <script type = "text/javaScript"> function myCheck () {for (var i = 0 ؛ i <document.form1.elements.length-1 ؛ i ++) {if (document.form1.Elements [i] .value == "") {"当前表单不能有空项") ؛ document.form1.Elements [i] .focus () ؛ العودة كاذبة }} إرجاع صحيح ؛ } </script> </head> <body> <form name = "form1" method = "post" action = "page2.html" onsubmit = "return mycheck ()> 用户名: <input type =" text "name =" username "> <Br> 性别: <type type =" text " value = "提交"> </form> </body> </html> demo2.html <script language = "javaScript"> <!-function submit1 (frm) {if (document.frm.word.value == "") Action = "" name = "frm" onsubmit = "return submit1 (this) ؛ style = "height: 19px ؛"> <input type = "radio" name = "sea_cat" value = "标题"> 标题 <input type = "radio" name = "sea_cat" value = "内容 内容Demo3.html
<script type = "text/javaScript"> function be forsubmit (form) {if (form.username.value == '') {Alert ('用户名不能为空！') ؛ form.username.focus () ؛ return false ؛} if (form.password.value == '') {alert ('密码不能为空！') ؛ false ؛} if (form.password.value.length <6) {Alert ('密码至少为 6 位 ， 请重新输入！') ؛ form.Password.focus () ؛ return false ؛} if (form.password true ؛} </script> <fieldset> <legend> 用户注册 </tegend> <method method = "post" name = "form" action = "user.do؟method=register" onsubmit = "return be be forforsubmit (this) ؛ value = ""> </sable> </td> </tr> <tr> <td> <lable> 密 密 ： <input type = "password" name = "password" value = ""> </sable> </td> </tr> <tr> <td> <td> <td> value = "注册" type = "submit"> <input type = "reset" value = "重置"> </td> </tr> </table> </pump> </fieldset>以上这篇 JS 判断所有表单项不为空则提交表单的实现方法就是小编分享给大家的全部内容了 ， 希望能给大家一个参考 ， 也希望大家多多支持武林网。