onlyforbopi
9/27/2018 - 7:27 AM
JS.JSON.Getting remote JSON data with the XhR2 API
JS.JSON.Getting remote JSON data with the XhR2 API
table {
margin-top: 20px;
}
table, tr, td {
border: 1px solid;
} function search() {
var queryURL = "https://jsonplaceholder.typicode.com/users";
var xhr = new XMLHttpRequest();
xhr.open('GET', queryURL, true);
// called when the response is arrived
xhr.onload = function(e) {
var jsonResponse = xhr.response;
// turn the response into a JavaScript object
var users = JSON.parse(jsonResponse);
displayUsersAsATable(users);
}
// in case of error
xhr.onerror = function(err) {
console.log("Error: " + err);
}
// sends the request
xhr.send();
}
function displayUsersAsATable(users) {
// users is a JavaScript object
// empty the div that contains the results
var usersDiv = document.querySelector("#users");
usersDiv.innerHTML = "";
// creates and populate the table with users
var table = document.createElement("table");
// iterate on the array of users
users.forEach(function(currentUser) {
// creates a row
var row = table.insertRow();
// insert cells in the row
var nameCell = row.insertCell();
nameCell.innerHTML = currentUser.name;
var cityCell = row.insertCell();
cityCell.innerHTML = currentUser.address.city;
});
// adds the table to the div
usersDiv.appendChild(table);
}
<!DOCTYPE html>
<html lang="en">
<head>
<title>Working with remote data suing XhR2</title>
<meta charset="utf-8"/>
</head>
<body>
<p>Working with remote data suing XhR2</p>
<button onclick="search();">Get a remote list of users' names and emails</button>
<div id="users"></div>
</body>
</html>