function sleep(n) {
var start = new Date().getTime();
// console.log('休眠前:' + start);
while (true) {
if (new Date().getTime() - start > n) {
break;
}
}
// console.log('休眠后:' + new Date().getTime());
}
sleep(2000);
js 实现 sleep
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转载自blog.csdn.net/seven_north/article/details/88529440
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