我创建了一个表单,我希望在该表单中,如果有某些特定条目,则不应提交该表单,而应执行某些功能。但是对于每个其他条目,该表单应该被提交并正常工作。
function checkuser() {
let name = document.forms[0].name.value;
let email = document.forms[0].email.value;
let message = document.forms[0].message.value;
if ((name == "admin") && (email == "admin@admin.com") && message == ("admin")) {
alert("hey"); //SOME FUNCTION
} else {
document.forms[0].setAttribute("action", "login.php");
document.forms[0].setAttribute("onsubmit", " ");
document.forms[0].submit();
}
}
<form method="post" onsubmit="event.preventDefault(); return checkuser(this)" id="form">
<table align="center">
<tr>
<th><label for="name"> Name : </label></th>
<td> <input type="text" height=100px id="name" name="name" placeholder="Enter your Name..." required> </td>
</tr>
<tr>
<th><label for="email"> Email : </label> </th>
<td><input type="email" id="email" name="email" placeholder="Enter your Email ID..." required></td>
</tr>
<tr>
<th><label for="phone"> Phone Number : </label> </th>
<td><input type="tel" id="phone" name="phone" placeholder="Enter your Phone no..." pattern="[0-9]{10}"></td>
</tr>
<tr>
<th><label for="message"> Message : </label> </th>
<td><textarea id="message" name="message" placeholder="Enter Message..." required></textarea></td>
</tr>
</table>
<div class="buttons">
<input type="submit" value="Submit" name="submit">
<input type="reset" value="Reset" name="reset">
</div>
</form>
它工作得很好,但问题在于,对于正常值,我必须按提交按钮两次将表单重定向到“登录.php" 并提交。我认为,当我按下它一次时,它会删除“提交”方法并将“操作”添加到表单中,然后按下两次,它就会被提交。
我需要它只需一键即可工作。如果我输入特殊值,它应该执行以下函数,对于正常值,它应该使用“login.php”作为动作直接提交表单。
任何帮助将不胜感激。
答案 0 :(得分:0)
我就是这样做的...
function checkuser() {
let name = document.forms[0].name.value;
let email = document.forms[0].email.value;
let message = document.forms[0].message.value;
if ((name == "admin") && (email == "admin@admin.com") && message == ("admin")) {
alert("hey"); //SOME FUNCTION
} else {
document.forms[0].submit();
}
}
<form method="post" action="login.php" id="form">
<table align="center">
<tr>
<th><label for="name"> Name : </label></th>
<td> <input type="text" height=100px id="name" name="name" placeholder="Enter your Name..." required> </td>
</tr>
<tr>
<th><label for="email"> Email : </label> </th>
<td><input type="email" id="email" name="email" placeholder="Enter your Email ID..." required></td>
</tr>
<tr>
<th><label for="phone"> Phone Number : </label> </th>
<td><input type="tel" id="phone" name="phone" placeholder="Enter your Phone no..." pattern="[0-9]{10}"></td>
</tr>
<tr>
<th><label for="message"> Message : </label> </th>
<td><textarea id="message" name="message" placeholder="Enter Message..." required></textarea></td>
</tr>
</table>
<div class="buttons">
<input type="button" value="Submit" onclick="checkuser();">
<input type="reset" value="Reset" name="reset">
</div>
</form>