15 lines
386 B
JavaScript
15 lines
386 B
JavaScript
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//生成从minNum到maxNum的随机数
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function randomNum(minNum, maxNum) {
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switch (arguments.length) {
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case 1:
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return parseInt(Math.random() * minNum + 1, 10);
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break;
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case 2:
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return parseInt(Math.random() * (maxNum - minNum + 1) + minNum, 10);
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break;
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default:
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return 0;
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break;
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}
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} |