[英]Front-End input fields warning message if the field is not filled with information when submit button is clicked
我想要的只是在站点的角落弹出一条小消息,说明字段未完成,例如一个小弹出窗口或一个小的 window 我尝试在 JavaScript 中使用警报执行此操作,但它使我的站点变慢非常慢烦人的。
表格需要填写
<form>
<label class="name_label">Your Name</label>
<input type="text" id="name" class="name_input" required placeholder="write your name" autocomplete="off">
<br>
<label class="number_label">Phone Number</label>
<input type="tel" id="phone" class="number_input" required placeholder="Phone" autocomplete="off">
<label class="company_label">Company Website </label>
<input type="email" id="email" class="company_input" placeholder="shoesit.com" required autocomplete="off">
<div class="next-btn ">
<button type="submit" value="Continue" id="continue" value="click" onclick="vaildfunction()"> CONTINUE</button>
<a id="nxt" onclick="Next()">Next</a>
</div>
</form>
我正在使用的 JavaScript:
var x=0;
function vaildfunction(){
var name=document.getElementById("name").value;
var phone= document.getElementById("phone").value;
var email= document.getElementById("email").value;
if(name=="") {
alert("Please Fill your Form First");
}
else if(phone==""){
alert("Please Fill your Form First");
}
else if(email==""){
alert("Please Fill your Form First");
}
else{
alert("Your form has submitted Sucessfully");
x=1;
}
}
function Next(){
if(x==1){
window.location = href="thanks.html";
}
else{
alert("Please Fill your form first before you move on");
}
}
这与 HTML 形式更相关。 例如,当您需要 email 表单用户时,您只需为 email 设置输入类型,然后当用户尝试发送格式错误的 Z0C83F57C786A0B7A39EFAB23731 表单时,他会收到错误。 https://www.the-art-of-web.com/html/html5-form-validation/
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