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loadWithXhr

loadWithXhr

Asynchronously loads the given URL. Returns a promise that will resolve to the result once loaded, or reject if the URL failed to load. The data is loaded using XMLHttpRequest, which means that in order to make requests to another origin, the server must have Cross-Origin Resource Sharing (CORS) headers enabled.

Parameters:
Name Type Description
options Object Options for the request.
Properties
Name Type Argument Default Description
url String | Promise The URL of the data, or a promise for the URL.
responseType String <optional>
 The type of response. This controls the type of item returned.
method String <optional>
 'GET' The HTTP method to use.
data String <optional>
 The data to send with the request, if any.
headers Object <optional>
 HTTP headers to send with the request, if any.
Throws:
DeveloperError : options.url is required.
Returns:
Promise a promise that will resolve to the requested data when loaded.
Example
// Load a single URL asynchronously. In real code, you should use loadBlob instead.
loadWithXhr({
    url : 'some/url',
    responseType : 'blob'
}).then(function(blob) {
    // use the data
}, function() {
    // an error occurred
});
See:
Source: