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