Sha256: 6a95fe4c23e936aa5e61b6ee09b19f10b45818734be62aa27d4b59eaea2215de
Contents?: true
Size: 1.53 KB
Versions: 142
Compression:
Stored size: 1.53 KB
Contents
// by jussi-kalliokoski
// This test is asynchronous. Watch out.
// The test will potentially add garbage to console.
(function(){
try {
// we're avoiding using Modernizr._domPrefixes as the prefix capitalization on
// these guys are notoriously peculiar.
var BlobBuilder = window.MozBlobBuilder || window.WebKitBlobBuilder || window.MSBlobBuilder || window.OBlobBuilder || window.BlobBuilder;
var URL = window.MozURL || window.webkitURL || window.MSURL || window.OURL || window.URL;
var data = 'Modernizr',
blob,
bb,
worker,
url,
timeout,
scriptText = 'this.onmessage=function(e){postMessage(e.data)}';
try {
blob = new Blob([scriptText], {type:'text/javascript'});
} catch(e) {
// we'll fall back to the deprecated BlobBuilder
}
if (!blob) {
bb = new BlobBuilder();
bb.append(scriptText);
blob = bb.getBlob();
}
url = URL.createObjectURL(blob);
worker = new Worker(url);
worker.onmessage = function(e) {
Modernizr.addTest('blobworkers', data === e.data);
cleanup();
};
// Just in case...
worker.onerror = fail;
timeout = setTimeout(fail, 200);
worker.postMessage(data);
} catch (e) {
fail();
}
function fail() {
Modernizr.addTest('blobworkers', false);
cleanup();
}
function cleanup() {
if (url) {
URL.revokeObjectURL(url);
}
if (worker) {
worker.terminate();
}
if (timeout) {
clearTimeout(timeout);
}
}
}());
Version data entries
142 entries across 142 versions & 7 rubygems