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Other 2021-10-17 16:37:08
what does setrequestheader do
The XMLHttpRequest method setRequestHeader() sets the value of an HTTP request header. When using setRequestHeader(), you must call it after calling open(), but before calling send(). If this method is called several times with the same header, the val... Add solution -
PHP 2021-10-17 02:36:10
Access to XMLHttpRequest at 'http://localhost/MySQL_pracs/InsertUser.php' from origin 'http://localhost:4200' has been blocked by CORS policy: Request header field content-type is not allowed by Access-Control-Allow-Headers in preflight response.
//Access to XMLHttpRequest at 'http://localhost/[api path].php' from origin 'http://localhost:4200' has been blocked by CORS policy: Request header field content-type is not allowed by Access-Control-Allow-Headers in preflight response. //The error is si... Add solution -
Javascript 2021-10-12 23:44:05
xhr post send
var xhr = new XMLHttpRequest(); xhr.open("POST", '/url', true); xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xhr.onreadystatechange = function() { // Call a function when the state changes. ... Add solution -
Javascript 2021-10-11 08:05:19
Authentication handling in javascript
var token_ // variable will store the token var userName = "clientID"; // app clientID var passWord = "secretKey"; // app clientSecret var caspioTokenUrl = "https://xxx123.caspio.com/oauth/token"; // Your application token en... Add solution -
Javascript 2021-10-07 23:56:04
download audio file javascript
var filename = url.substring(url.lastIndexOf("/") + 1).split("?")[0]; var xhr = new XMLHttpRequest(); xhr.responseType = 'blob'; xhr.onload = function() { var a = document.createElement('a'); a.href = window.URL.createObj... Add solution -
Javascript 2021-10-02 22:05:04
js code for webpage download progress bar
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div id="a1" data-filename="filename.xml">Click to download</div> <script> $('#a1').click(function() { ... Add solution -
Javascript 2021-09-30 17:51:03
what's the logic of ajax
function loadDoc() { //step 1. as you clearly understand var xhttp = new XMLHttpRequest(); //step 2. Here you are defining the function that should run once the data is 'ready' xhttp.onreadystatechange = function() { if (this.readyState == 4 ... Add solution -
Javascript 2021-09-29 22:54:04
axios default baseurl conditional environment
import axios from 'axios' window.axios.defaults.headers.common = {'X-Requested-With': 'XMLHttpRequest'} window.axios.defaults.baseURL = (process.env.NODE_ENV !== 'production') ? 'http://localhost:9000/api/' : '' Add solution