rest_api_ajax.html

<pre id="rest-output"></pre>
<script>
var resource = '/api/ezp/v2/content/objects/102',
    log = document.getElementById( 'rest-output' );

log.innerHTML = "Loading the content info from " + resource + "...";
   
var request = new XMLHttpRequest();
request.open('GET', resource, true);
request.onreadystatechange = function () {
    if ( request.readyState === 4 ) {
        log.innerHTML = request.getAllResponseHeaders() + "\n" + request.responseText;
    }
};
request.setRequestHeader('Accept', 'application/vnd.ez.api.ContentInfo+json');
request.send();
</script>