{"id":277119,"date":"2024-05-16T15:12:48","date_gmt":"2024-05-16T07:12:48","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/277119.html"},"modified":"2024-05-16T15:12:59","modified_gmt":"2024-05-16T07:12:59","slug":"%e5%89%8d%e7%ab%af-js-%e9%a1%b9%e7%9b%ae%e5%ae%9e%e7%8e%b0%e5%80%92%e8%ae%a1%e6%97%b6%e7%9a%84%e6%96%b9%e5%bc%8f%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/277119.html","title":{"rendered":"\u524d\u7aef js \u9879\u76ee\u5b9e\u73b0\u5012\u8ba1\u65f6\u7684\u65b9\u5f0f\u6709\u54ea\u4e9b"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24202224\/b9c43388-2908-4f6a-b48d-dcaa519fa5d7.webp\" alt=\"\u524d\u7aef js \u9879\u76ee\u5b9e\u73b0\u5012\u8ba1\u65f6\u7684\u65b9\u5f0f\u6709\u54ea\u4e9b\" 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\/>\n\u5012\u8ba1\u65f6\u662f\u524d\u7aef\u5f00\u53d1\u4e2d\u5e38\u4f7f\u7528\u7684\u529f\u80fd\u4e4b\u4e00\uff0c\u53ef\u4ee5\u7528\u4e8e\u5c55\u793a\u5269\u4f59\u65f6\u95f4\u6216\u8005\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u3002\u4e0b\u9762\u5217\u4e3e\u4e86\u51e0\u79cd\u5b9e\u73b0\u5012\u8ba1\u65f6\u7684\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528JavaScript\u7684<code>setTimeout()<\/code>\u51fd\u6570\u914d\u5408\u9012\u5f52\u8c03\u7528\u6765\u5b9e\u73b0\u5012\u8ba1\u65f6\u6548\u679c\u3002\u901a\u8fc7\u8ba1\u7b97\u5f53\u524d\u65f6\u95f4\u4e0e\u76ee\u6807\u65f6\u95f4\u7684\u65f6\u95f4\u5dee\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u8fdb\u884c\u683c\u5f0f\u5316\u5c55\u793a\uff0c\u6bcf\u79d2\u66f4\u65b0\u4e00\u6b21\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528JavaScript\u7684<code>setInterval()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u5012\u8ba1\u65f6\u6548\u679c\u3002\u6b64\u65b9\u6cd5\u548c\u4e0a\u4e00\u79cd\u65b9\u6cd5\u7c7b\u4f3c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\u4f7f\u7528<code>setInterval()<\/code>\u51fd\u6570\u6765\u5b9a\u65f6\u66f4\u65b0\u5269\u4f59\u65f6\u95f4\u7684\u5c55\u793a\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528JavaScript\u7684<code>Date<\/code>\u5bf9\u8c61\u6765\u8ba1\u7b97\u5269\u4f59\u65f6\u95f4\u3002\u5c06\u76ee\u6807\u65f6\u95f4\u4e0e\u5f53\u524d\u65f6\u95f4\u8fdb\u884c\u6bd4\u8f83\uff0c\u7136\u540e\u4f7f\u7528<code>Math.floor()<\/code>\u51fd\u6570\u53d6\u6574\uff0c\u901a\u8fc7\u8ba1\u7b97\u5f97\u51fa\u5269\u4f59\u7684\u5c0f\u65f6\u3001\u5206\u949f\u3001\u79d2\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>\u501f\u52a9\u7b2c\u4e09\u65b9\u5e93\uff08\u5982moment.js\uff09\u6765\u5904\u7406\u65f6\u95f4\u548c\u65e5\u671f\uff0c\u4f7f\u7528\u5176\u4e2d\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u5012\u8ba1\u65f6\u529f\u80fd\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u4fbf\u5229\u65b9\u6cd5\u548c\u683c\u5f0f\u5316\u9009\u9879\u6765\u5904\u7406\u65f6\u95f4\u6570\u636e\uff0c\u80fd\u591f\u5feb\u901f\u5b9e\u73b0\u5012\u8ba1\u65f6\u6548\u679c\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>2. \u5982\u4f55\u5b9e\u73b0\u5012\u8ba1\u65f6\u6548\u679c\u7684\u52a8\u753b\u6548\u679c\uff1f<\/strong><br \/>\n\u9664\u4e86\u57fa\u672c\u7684\u5012\u8ba1\u65f6\u529f\u80fd\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u52a8\u753b\u6548\u679c\u6765\u589e\u5f3a\u7528\u6237\u4f53\u9a8c\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u5b9e\u73b0\u5012\u8ba1\u65f6\u52a8\u753b\u6548\u679c\u7684\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528CSS\u7684\u8fc7\u6e21\uff08transition\uff09\u548c\u53d8\u6362\uff08transform\uff09\u5c5e\u6027\uff0c\u7ed3\u5408JavaScript\u6765\u5b9e\u73b0\u5e73\u6ed1\u7684\u5012\u8ba1\u65f6\u52a8\u753b\u3002\u901a\u8fc7\u6539\u53d8\u5143\u7d20\u7684\u6837\u5f0f\u5c5e\u6027\uff0c\u5982\u989c\u8272\u3001\u5927\u5c0f\u3001\u4f4d\u7f6e\u7b49\uff0c\u6765\u5b9e\u73b0\u52a8\u6001\u6548\u679c\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528CSS\u7684\u5173\u952e\u5e27\u52a8\u753b\uff08@keyframes\uff09\u6765\u521b\u5efa\u81ea\u5b9a\u4e49\u7684\u52a8\u753b\u6548\u679c\u3002\u901a\u8fc7\u5b9a\u4e49\u4e0d\u540c\u7684\u5e27\uff08keyframe\uff09\u6765\u5b9e\u73b0\u5012\u8ba1\u65f6\u8fc7\u7a0b\u4e2d\u7684\u52a8\u6001\u53d8\u5316\uff0c\u6bd4\u5982\u989c\u8272\u6e10\u53d8\u3001\u7f29\u653e\u6548\u679c\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528JavaScript\u7684<code>requestAnimationFrame()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u6d41\u7545\u7684\u5012\u8ba1\u65f6\u52a8\u753b\u3002\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u7684\u6bcf\u4e00\u5e27\uff08frame\uff09\u4e2d\u6267\u884c\u6307\u5b9a\u7684\u51fd\u6570\uff0c\u4f7f\u7528\u5b83\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7cbe\u786e\u7684\u52a8\u753b\u6548\u679c\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>3. \u5982\u4f55\u5904\u7406\u5012\u8ba1\u65f6\u7ed3\u675f\u540e\u7684\u903b\u8f91\uff1f<\/strong><br \/>\n\u5f53\u5012\u8ba1\u65f6\u7ed3\u675f\u540e\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u6267\u884c\u4e00\u4e9b\u7279\u5b9a\u7684\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5904\u7406\u5012\u8ba1\u65f6\u7ed3\u675f\u540e\u903b\u8f91\u7684\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528JavaScript\u7684\u56de\u8c03\u51fd\u6570\uff08callback\uff09\u6765\u5904\u7406\u5012\u8ba1\u65f6\u7ed3\u675f\u540e\u7684\u903b\u8f91\u3002\u5728\u5012\u8ba1\u65f6\u7ed3\u675f\u65f6\u8c03\u7528\u6307\u5b9a\u7684\u51fd\u6570\uff0c\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u89e6\u53d1\u5176\u4ed6\u7684\u4e8b\u4ef6\u6216\u8005\u66f4\u65b0\u9875\u9762\u5185\u5bb9\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528JavaScript\u7684\u4e8b\u4ef6\uff08event\uff09\u673a\u5236\u6765\u5904\u7406\u5012\u8ba1\u65f6\u7ed3\u675f\u540e\u7684\u903b\u8f91\u3002\u5728\u5012\u8ba1\u65f6\u7ed3\u675f\u65f6\u6d3e\u53d1\u4e00\u4e2a\u81ea\u5b9a\u4e49\u4e8b\u4ef6\uff0c\u76d1\u542c\u8be5\u4e8b\u4ef6\u5e76\u6267\u884c\u76f8\u5e94\u7684\u5904\u7406\u51fd\u6570\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528Promise\u5bf9\u8c61\u6765\u5904\u7406\u5012\u8ba1\u65f6\u7ed3\u675f\u540e\u7684\u903b\u8f91\u3002\u521b\u5efa\u4e00\u4e2aPromise\u5bf9\u8c61\uff0c\u5728\u5012\u8ba1\u65f6\u7ed3\u675f\u65f6\u5c06\u5176\u72b6\u6001\u6539\u4e3a\u5df2\u5b8c\u6210\uff08resolved\uff09\uff0c\u7136\u540e\u5728\u540e\u7eed\u7684\u4ee3\u7801\u4e2d\u4f7f\u7528<code>then()<\/code>\u65b9\u6cd5\u6765\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<li>\n<p>\u501f\u52a9\u524d\u7aef\u6846\u67b6\uff08\u5982Vue.js\u3001React\u7b49\uff09\u63d0\u4f9b\u7684\u72b6\u6001\u7ba1\u7406\u5de5\u5177\u6765\u5904\u7406\u5012\u8ba1\u65f6\u7ed3\u675f\u540e\u7684\u903b\u8f91\u3002\u901a\u8fc7\u76d1\u542c\u5012\u8ba1\u65f6\u72b6\u6001\u7684\u53d8\u5316\uff0c\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\uff0c\u5982\u8df3\u8f6c\u9875\u9762\u3001\u5f39\u51fa\u63d0\u793a\u6846\u7b49\u3002<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"\u5012\u8ba1\u65f6\u5728\u524d\u7aefJavaScript\u9879\u76ee\u4e2d\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u529f\u80fd\uff0c\u4e3b\u8981\u7684\u5b9e\u73b0\u65b9\u5f0f\u5305\u62ec\u4f7f\u7528setTimeout()\u51fd\u6570\u3001\u4f7f 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