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51CTO
26 天
JavaScript setTimeout 延迟不准?原理和解决方法详解-51CTO.COM
很多刚开始用 JavaScript 的开发者,会觉得 setTimeout 是个让代码“等会儿再跑”的简单工具。但实际用起来,常常发现它不那么听话:明明设定了1秒后执行,结果却等了好几秒才来,或者干脆没动静。这篇文章就讲讲 setTimeout 到底是怎么工作的,以及为什么它有时会“迟到”或“缺席”,帮你避免 ...
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