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Direktori : /home/infra/fusioninventory/lib/lazy.js-0.5.1/site/source/javascripts/demos/ |
Current File : //home/infra/fusioninventory/lib/lazy.js-0.5.1/site/source/javascripts/demos/primes.js |
function addValue(value) { // Create a <span> element containing the value var span = document.createElement('span'); span.textContent = value; // Append it to the <div> var div = document.querySelector('div'); div.appendChild(span); // Scroll down, if necessary if (Math.abs((div.scrollHeight - div.offsetHeight) - div.scrollTop) < 50) { span.scrollIntoView() } } var knownPrimes = []; function isPossibleFactor(value) { return function(x) { return x * x <= value; }; } function isDivisibleBy(value) { return function(x) { return value % x === 0; }; } function isPrime(value) { var prime = !Lazy(knownPrimes) .filter(isPossibleFactor(value)) .any(isDivisibleBy(value)); if (prime) { knownPrimes.push(value); } return prime; } Lazy.generate(function(i) { return 2 + i; }) .filter(isPrime) .async() .each(addValue);