40 lines
911 B
JavaScript
40 lines
911 B
JavaScript
var n = 1;
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var cur = 1;
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var timer = null;
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function search() {
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if (timer) clearTimeout(timer);
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var sqrtn = Math.sqrt(n);
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for (iters = 0; iters < 10000; iters += 1) {
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cur += 1;
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if ((cur <= sqrtn) && (n % cur != 0)) continue;
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if (cur > sqrtn) {
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postMessage("num:" + n);
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}
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n += 1;
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cur = 1;
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}
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timer = setTimeout(search, 10);
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}
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onmessage = function (e) {
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switch (e.data) {
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case 'start':
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postMessage("log:start");
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if (timer) clearTimeout(timer);
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timer = setTimeout(search, 100);
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break;
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case 'stop':
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postMessage("log:stop");
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if (timer) clearTimeout(timer);
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started = false;
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break;
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case 'reset':
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postMessage("log:reset");
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n = 1;
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postMessage('num:');
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break;
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}
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}
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