You can also open a javascript console to interact directly with the 'secrets' global.
var key, comb1, comb2, shares, newShare;
secrets.init(8, "browserSJCLRandom");
// https://github.com/tunnckoCore/randomorg-js
var randomJs = new RandomJs();
var result = randomJs
.apikey('YOUR_API_KEY_HERE') // your apikey here
.method('generateStrings')
.params({n:16,length:20})
.post(function(xhr, stream, body) {
// console.log('==START==')
// console.log('==xhr==')
// console.log(xhr)
// console.log('==stream==')
// console.log(stream)
// console.log('==body==')
// console.log(body)
// console.log('==body==')
// console.log(body.result.random.data.join(''))
// console.log('==END==')
console.log("sjcl.random.getProgress() before : " + sjcl.random.getProgress());
console.log("secrets.quickSeed() : " + body.result.random.data.join(''));
secrets.seedRNG(body.result.random.data.join(''), 1024, "randomorg");
console.log("sjcl.random.getProgress() after : " + sjcl.random.getProgress());
console.log("bitsUsed: " + body.result.bitsUsed);
console.log("bitsLeft: " + body.result.bitsLeft);
key = secrets.random(512);
shares = secrets.share(key, 10, 5);
comb1 = secrets.combine( shares );
newShare = secrets.newShare(8, shares);
comb2 = secrets.combine( shares.slice(1,5).concat(newShare) );
$('#output').text('You should see three identical keys below, with a key both before and after a share and combine operation.\n\n' + key + '\n' + comb1 + '\n' + comb2);
});