How can I use the POST method to send this request?
lun = document.getElementById("lun").value;
lp = document.getElementById("lp").value;
url = "lun="+lun+"&lp="+lp;
xmlhttp.onreadystatechange=function(){
if(xmlhttp.readyState==4 && xmlhttp.status==200){
document.getElementById("login").innerHTML=xmlhttp.responseText;
}
else{
document.getElementById("login").innerHTML="Loading";
}
}
xmlhttp.open("GET",'login.php?'+url,true);
xmlhttp.send();
The preferred HTTP request method to be utilized, options include "GET", "POST", "PUT", "DELETE", and other valid methods. Not applicable for URLs that do not use the HTTP or HTTPS protocol.
fetch('https://example.com/api/data', {
method: 'GET',
headers: {
'Content-Type': 'application/json'
}
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error(error));
Source: https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API
when creating a new post
consider using the following code snippet
xmlhttp.open("POST","login.php",true);
xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
xmlhttp.send(url);
To see a demonstration, check out this link
xmlhttp.open("GET","authenticate.php",true);
xmlhttp.setRequestHeader("Content-type","application/json");
xmlhttp.send("username=user123&password=secure123");
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