Demo1.html
<html> <head> <title> 提交表单页 </title> <script type = "text/javascript"> function myCheck () {for (var i = 0; i <document.form1.elements.length-1; i ++) {if (document.form1.elements [i] .value == ") {" if focum.form1.elements [i] .value == ") {" 当前表单不能有空项 focum.form1.elements [i]. document.form1.elements [i] .focus (); mengembalikan false; }} return true; } </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: <input type = "teks" name = "seks"> <br> 出生时间 <br> 性别: <input type = "teks" nama "nama =" seks "> <br> 出生时间 出生时间 <br> 性别: <input =" TEXT "TEXT" NAME = "SEX"> <br> 出生时间 <br> 出生时间: <br> 出生时间: <br> <br> <br> <input = "TEXT" TEXT "TEXT" NAME = "SEX"> <br> 出生时间 <br> <" type = "Kirim" value = "提交"> </form> </body> </html> demo2.html <bahasa skrip = "javascript"> <!-function submit1 (frm) {if (document.frM.word.value == ") {warn (" 请输入搜索新闻内容！ "); document.frm.focus.focus (format) {fales; Method = "POST" ACTION = "" NAME = "FRM" ONSUBMIT = "Return Submit1 (this);"> <pilih name = "select0"> <option value = "0"> 请选择一个类别 </pection> option value = "1"> 新闻 </pection> <option value = "2"> </option> <Option> <Option = "3"> "Option ="> "Option =" "Option =" "Option =" "Option =" "Option =" "Option ="> </"> </"> </inption> </inption> </inption = "OPTION =" "OPTICE =" "OPTICE =" "OPTION =" "OPTICE =" "OPTICE =" "OPTICE =" OPTICE = " size = "20" style = "tinggi: 19px;"> <input type = "Radio" name = "sea_cat" value = "标题"> 标题 <input type = "Radio" name = "sea_cat" value = "内容"> 内容 <input type = "kirim" value = "搜" nama = "b1" ">demo3.html
<type script = "text/javascript"> function beForesubMit (form) {if (form.userName.Value == '') {waspada ('用户名不能为空！'); form.username.focus (); return false;} if (form.password.value == '') {warn ('密码不能为空！'); false;} if (form.password.value.length <6) {waspada ('密码至少为 6 位 ， ，'); form.password.focus (); return false;} if (form.password.value! = Form.password2.value) {alert ('你两次输入的密码不一致 ， ， ， ， ， ， ， {你两次输入的密码不一致 ， return; true;} </script> <fieldset> <agendang> 用户注册 </tegend> <bentuk metode = "post" name = "form" action = "user.do?method=register" onsubmit = "return beforeSubmit (this);"> <tabel cellspacing = "0" cellPadding = "0"> <"TR> <tr> <tabel> <用户名 用户名 <用户名 用户名 用户名 <用户名name = "nama pengguna" value = ""> </label> </td> </tr> <tr> <td> <label> 密 码 ： <Input type = "kata sandi" nama = "kata sandi" value = ""> </label> </td> </tr> <T "<td> <label> 重复密码 重复密码 </td </ttr> <ttr> <td> <label> 重复密码 ： </td </tr> <td> <td> <label> 重复密码 </td </tr> <td> <tr> <td> <input value = "注册" type = "kirim"> <input type = "reset" value = "重置"> </td> </tr> </able> </form> </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 ， ，