there. I am creating a blog website and I want to post some comments on that post. but the form is reloading am not getting data to store MongoDB. I search on the internet so I got ajax but ajax is not working and this is new for me. help me out with this problem. I am using node js and ejs templating and MongoDB. node js code
app.post("/do-comment", async (req,res) =>{
const comment = new Comment({name:req.body.name,comment:req.body.comment});
await comment.save();
await Blog.findOneAndUpdate({_id:req.body._id}, {$push: {comment}});
res.send("Comment was added successfully");
})
HTML code
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Blogs</title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src=
"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
</script>
<!-- CSS only -->
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<!-- JavaScript Bundle with Popper -->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM" crossorigin="anonymous"></script>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-primary">
<div class="container-fluid">
<a class="navbar-brand" href="#">Blogs</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarTogglerDemo02" aria-controls="navbarTogglerDemo02" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarTogglerDemo02">
<ul class="navbar-nav me-auto mb-2 mb-lg-0">
<li class="nav-item">
<a class="nav-link active" aria-current="page" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="/compose">compose</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
</li>
</ul>
<form class="d-flex">
<input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success" type="submit">Search</button>
</form>
</div>
</div>
</nav>
<div class="container">
<div class="col">
<img src="data:image/<%=post.image.contentType%>;base64,
<%=post.image.data.toString('base64')%>" alt="photo"width="1000px" height="500px" alt="photu">
<h1><%= post.title %></h1>
<p><%= post.content %></p>
</div>
<div class=''>
// form is here for comment
<form method="POST" onsubmit="return doComment(this);" class="theme-form-one">
<input type="hidden" name="_id" value="<%=post._id %>">
<div class="row">
<div class="col-md-6 col-12"><input type="text" name="name" placeholder="Name"></div>
<div class="col-12"><textarea name="comment" placeholder="Comments"></textarea></div>
</div>
<button class="theme-button-one">POST COMMENT</button>
</form>
</div>
//// catching comments here
<div class="">
<div class="container-fluid">
<% data.forEach(function(cData){ %>
<h1><%= cData.name %></h1>
<p><%= cData.comment %></p>
<% }) %>
</div>
</div>
</div>
//js code here
<script>
function doComment(form){
$.ajax({
url:"/post/do-comment",
method:"POST",
data:{name:form.name.value,comment:form.comment.value,
_id:form._id.value},
success: function(response){
alert(response);
}
});
return false;
}
</script>
</body>
</html>
<button type="submit">Name</button>try to adde.preventDefault()in the button click listener, at the very beginning and try to take a look here stackoverflow.com/questions/41369780/…onsubmit="return doComment(this);"with just js/html code shown in the example link, if you still have questions,please let me know, I will try to compose it for you. Please, pay attention to each aspect,event.preventDefault();but your ajax data and url are just fine,