{"id":3195,"date":"2024-11-10T13:38:58","date_gmt":"2024-11-10T05:38:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3195\/"},"modified":"2024-11-10T13:38:58","modified_gmt":"2024-11-10T05:38:58","slug":"js%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad%e6%97%b6%e9%97%b4","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3195\/","title":{"rendered":"js\u5982\u4f55\u5224\u65ad\u65f6\u95f4"},"content":{"rendered":"

\n \u5728 javascript \u4e2d\uff0c\u4f7f\u7528 date \u5bf9\u8c61\u3001gettime() \u65b9\u6cd5\u3001\u6027\u80fd api \u4ee5\u53ca settimeout() \u548c setinterval() \u65b9\u6cd5\u5224\u65ad\u65f6\u95f4\u3002\n<\/p><\/blockquote>\n

\"js\u5982\u4f55\u5224\u65ad\u65f6\u95f4\u63d2\u56fe\"<\/p>\n

\u4f7f\u7528 JavaScript \u5224\u65ad\u65f6\u95f4<\/strong><\/p>\n

\u5728 JavaScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5224\u65ad\u65f6\u95f4\uff1a<\/p>\n

1. \u4f7f\u7528 Date \u5bf9\u8c61<\/strong><\/p>\n

Date \u5bf9\u8c61\u662f JavaScript \u4e2d\u8868\u793a\u65e5\u671f\u548c\u65f6\u95f4\u7684\u5185\u7f6e\u5bf9\u8c61\u3002\u5b83\u63d0\u4f9b\u5404\u79cd\u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u8bbe\u7f6e\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u3002<\/p>\n

\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\uff1a<\/strong><\/p>\n

const date = new Date();<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u83b7\u53d6\u7279\u5b9a\u65f6\u95f4\uff1a<\/strong><\/p>\n
const date = new Date(year, month, day, hours, minutes, seconds);<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u83b7\u53d6\u7279\u5b9a\u65f6\u95f4\u6233\uff1a<\/strong><\/p>\n
const timestamp = date.getTime();<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
2. \u4f7f\u7528 getTime() \u65b9\u6cd5<\/strong><\/p>\n
getTime() \u65b9\u6cd5\u8fd4\u56de\u6307\u5b9a Date \u5bf9\u8c61\u7684\u65f6\u95f4\u6233\uff0c\u5176\u4e2d Unix \u65f6\u95f4\u6233\u8868\u793a\u81ea 1970 \u5e74 1 \u6708 1 \u65e5\u4ee5\u6765\u7684\u6beb\u79d2\u6570\u3002<\/p>\n
\u83b7\u5f97\u5f53\u524d\u65f6\u95f4\u6233\uff1a<\/strong><\/p>\n
const timestamp = Date.now();<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
3. \u4f7f\u7528\u6027\u80fd API<\/strong><\/p>\n
\u6027\u80fd API \u63d0\u4f9b\u4e86 performance.now() \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u4ece\u5bfc\u822a\u5f00\u59cb\u5230\u5f53\u524d\u65f6\u95f4\u7684\u6beb\u79d2\u6570\u3002\u5b83\u6bd4 Date.now() \u66f4\u7cbe\u786e\uff0c\u56e0\u4e3a\u5b83\u662f\u9ad8\u5206\u8fa8\u7387\u8ba1\u65f6\u5668\u3002<\/p>\n
\u83b7\u5f97\u5f53\u524d\u9ad8\u7cbe\u5ea6\u65f6\u95f4\u6233\uff1a<\/strong><\/p>\n
const timestamp = performance.now();<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
4. \u4f7f\u7528setTimeout() \u548c setInterval() \u65b9\u6cd5<\/strong><\/p>\n
setTimeout() \u548c setInterval() \u65b9\u6cd5\u5141\u8bb8\u60a8\u5b89\u6392\u51fd\u6570\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u4e4b\u540e\u6216\u4ee5\u6307\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u8fd0\u884c\u3002<\/p>\n
\u5ef6\u8fdf\u6307\u5b9a\u65f6\u95f4\u8fd0\u884c\u51fd\u6570\uff1a<\/strong><\/p>\n
setTimeout(() => {\n  console.log(\"\u51fd\u6570\u6267\u884c\");\n}, 1000); \/\/ \u5ef6\u8fdf 1 \u79d2\u6267\u884c<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4ee5\u6307\u5b9a\u65f6\u95f4\u95f4\u9694\u8fd0\u884c\u51fd\u6570\uff1a<\/strong><\/p>\n
const intervalId = setInterval(() => {\n  console.log(\"\u51fd\u6570\u6267\u884c\");\n}, 1000); \/\/ \u6bcf 1 \u79d2\u6267\u884c\u4e00\u6b21<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjs\u5982\u4f55\u5224\u65ad\u65f6\u95f4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728 javascript \u4e2d\uff0c\u4f7f\u7528 date \u5bf9\u8c61\u3001gettime() \u65b9\u6cd5\u3001\u6027\u80fd api \u4ee5\u53ca settimeout() \u548c setinterval() \u65b9\u6cd5\u5224\u65ad\u65f6\u95f4\u3002 \u4f7f\u7528 JavaScript \u5224\u65ad\u65f6\u95f4 \u5728 JavaScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u5224\u65ad\u65f6\u95f4\uff1a 1. \u4f7f\u7528 Date \u5bf9\u8c61 Date \u5bf9\u8c61\u662f JavaScript \u4e2d\u8868\u793a\u65e5\u671f\u548c\u65f6\u95f4\u7684\u5185\u7f6e\u5bf9\u8c61\u3002\u5b83\u63d0\u4f9b\u5404\u79cd\u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u8bbe\u7f6e\u65e5\u671f\u548c\u65f6\u95f4\u4fe1\u606f\u3002 \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\uff1a const date = new Date(); \u767b\u5f55\u540e\u590d\u5236 \u83b7\u53d6\u7279\u5b9a\u65f6\u95f4\uff1a const date = new Date(year, month, day, hours, minutes, seconds); \u767b\u5f55\u540e\u590d\u5236 \u83b7\u53d6\u7279\u5b9a\u65f6\u95f4\u6233\uff1a const timestamp = date.getTime(); \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 getTime() \u65b9\u6cd5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3195","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=3195"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3195\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}