Encountering a problem here - getting the message "No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:63342' is therefore not allowed access. The response had HTTP status code 403." However, I am looking to find a solution solely on the client side. Server-side coding is not an option. Limitations include using JavaScript only and potentially AJAX. Any assistance would be greatly appreciated.
Here are a few unique strategies you can implement to resolve the issue: 1st approach: Instead of disabling security in the Chrome browser [not recommended], follow these steps:
Open your Terminal and enter the following command:
alias chrome="open /Applications/Google\ Chrome.app/ --args --disable-web-security"
Restart your Chrome browser. If the security is disabled successfully, you will see a yellow warning bar at the top of the Chrome window.
2nd Approach: Modify the dataType parameter to dataType:'jsonp' like this:
$.ajax({
url: 'your domain url',
data: myData,
type: 'GET',
crossDomain: true,
dataType: 'jsonp',
success: function() { alert("Success"); },
error: function() { alert('Failed!'); },
beforeSend: setHeader
});
3rd Method: On the server-side, include the necessary headers keys/values in the options method response like so:
void handleRequest(Request request, Response response) {
if(request.method == "OPTIONS") {
response.setHeader("Access-Control-Allow- Origin","Your_Domain")
response.setHeader("Access-Control-Allow-Methods", "GET,POST,PUT,DELETE,OPTIONS");
response.setHeader("Access-Control-Allow-Headers", "Content-Type");
}
}
4th Resolution: If using setHeader does not work, attempt using addHeader instead :
Utilize addHeader -->
response.addHeader("Access-Control-Allow-Origin", "*");Insert the line
header('Access-Control-Allow-Origin: *');<?php
$host = "localhost";
$username= "admin";
$pass = "password123";
$dbname = "user_database";
$conn = mysql_connect($host, $username, $pass);
mysql_select_db($dbname, $conn);
mysql_query("SET NAMES 'utf8'");
header('Access-Control-Allow-Origin: *');
?>
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