how to set file type and size in multer


var multer = require('multer')
var upload = multer().single('avatar')

app.post('/profile', function (req, res) {
upload(req, res, function (err) {
if (err instanceof multer.MulterError) {
// A Multer error occurred when uploading.
} else if (err) {
// An unknown error occurred when uploading.
}

// Everything went fine.
})
})

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how to set json type jquery ajax


$.ajax({
type: "POST",
url: siteRoot + "api/SpaceGame/AddPlayer",
async: false,
data: JSON.stringify({ Name: playersShip.name, Credits: playersShip.credits }),
contentType: "application/json",
complete: function (data) {
console.log(data);
wait = false;
}
});

$.ajax({
type: "POST",
contentType: "application/json",
url: 'http://localhost:16329/Hello',
data: { name: 'norm' },
dataType: "json"
});

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how to redirect to another page in javascript on submit type


<script type="text/javascript" language="javascript">
function redirect()
{
window.location.href="login.php";
}
</script>
<form name="form1" id="form1" method="post">
<input type="submit" class="button4" name="order"
id="order" value="Place Order" onclick="redirect();" >
</form>

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