{"id":1408,"date":"2022-07-15T13:03:14","date_gmt":"2022-07-15T05:03:14","guid":{"rendered":"https:\/\/zhuxinyong.com\/?p=1408"},"modified":"2022-07-16T15:07:38","modified_gmt":"2022-07-16T07:07:38","slug":"32-timers-he-intervals","status":"publish","type":"post","link":"https:\/\/zhuxinyong.com\/?p=1408","title":{"rendered":"32 – Timers \u548c Intervals"},"content":{"rendered":"

\"\"<\/p>\n

\u539f\u6587\u5730\u5740\uff1ahttps:\/\/dev.to\/bhagatparwinder\/timers-intervals-1b10<\/a><\/p>\n

\u5728 JavaScript \u4e2d\uff0c\u4f60\u82e5\u60f3\u5728\u4e00\u4e2a\u786e\u5b9a\u7684\u65f6\u5019\u540e\u6267\u884c\u67d0\u6bb5\u4ee3\u7801\uff0c\u5c31\u9700\u8981\u4e00\u4e2a\u5b9a\u65f6\u5668\u3002\u5728\u56fa\u5b9a\u7684\u65f6\u95f4\u6bb5\u540e\uff0c\u4f60\u5982\u679c\u60f3\u91cd\u590d\u6267\u884c\u4ee3\u7801\u5219\u9700\u8981\u95f4\u9694\u5b9a\u65f6\u5668\u3002<\/p>\n

<\/span><\/a>Timer<\/h2>\n

Timers \u662f\u4f7f\u7528 setTimeout<\/code> \u6765\u5b9e\u73b0\u7684\uff1a<\/p>\n

setTimeout(() => {\n    console.log("hello");\n}, 2000);\n<\/code><\/pre>\n
\u7b2c\u4e00\u4e2a\u53c2\u6570\u6c38\u8fdc\u662f\u4e00\u4e2a\u51fd\u6570\u6216\u4e00\u6bb5\u53ef\u6267\u884c\u7684\u4ee3\u7801\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5728\u63a7\u5236\u53f0\u8f93\u51fa "hello"\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u5b9a\u65f6\u5668\u6301\u7eed\u7684\u6beb\u79d2\uff0c\u4f8b\u5b50\u4e2d 2s \u540e\u4f1a\u5728\u63a7\u5236\u53f0\u6253\u5370 "hello"\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5728\u7b2c\u4e8c\u4e2a\u53c2\u6570\u540e\u9762\u4f20\u9012\u591a\u4e2a\u53c2\u6570\uff0c\u8fd9\u4e9b\u53c2\u6570\u4f1a\u88ab\u4f20\u9012\u5230\u6267\u884c\u7684\u51fd\u6570\u91cc\u9762\u3002<\/p>\n
<\/span><\/a>Intervals<\/h2>\n
Intervals \u662f\u4f7f\u7528 setInterval<\/code> \u6765\u5b9e\u73b0\u7684\u3002<\/p>\n
setInterval(() => {\n    console.log("hello");\n}, 2000);\n<\/code><\/pre>\n
setInterval<\/code> \u4e0e setTimeout<\/code> \u7684\u8bed\u6cd5\u4e00\u6837\uff0c\u5728 setInterval<\/code> \u4e2d\uff0c\u63a7\u5236\u53f0\u5c06\u4f1a\u6bcf\u9694 2s \u6253\u5370\u51fa "hello"\uff0c\u4ee3\u7801\u4f1a\u4e00\u76f4\u6253\u5370\u5b57\u7b26\u4e32\u76f4\u5230\u6211\u4eec\u6e05\u9664\u95f4\u9694\u5b9a\u65f6\u5668\u3002<\/p>\n
<\/span><\/a>\u505c\u6b62\/\u6e05\u7a7a\u5b9a\u65f6\u5668<\/h2>\n
setTimeout<\/code> \u548c setInterval<\/code> \u90fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u552f\u4e00\u7684 ID\uff0c\u5982\u679c\u6211\u4eec\u628a ID \u4fdd\u5b58\u5230\u4e00\u4e2a\u53d8\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b83\u6e05\u7a7a\/\u505c\u6b62\u5b9a\u65f6\u5668\u3002<\/p>\n
\u6e05\u7a7a\u5b9a\u65f6\u5668\u4f7f\u7528 clearTimeout<\/code>\uff0c\u6e05\u7a7a\u95f4\u9694\u5b9a\u65f6\u5668\u4f7f\u7528 clearInterval<\/code>\u3002<\/p>\n
const intervalId = setInterval(() => {\n    console.log("hello");\n}, 2000);\n\nclearInterval(intervalId);\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u539f\u6587\u5730\u5740\uff1ahttps:\/\/dev.to\/bhagatparwinder\/timers-interva...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,20,3],"tags":[196,195,194,193],"class_list":["post-1408","post","type-post","status-publish","format-standard","hentry","category-all","category-frontend","category-tech","tag-clearinterval","tag-cleartimeout","tag-setinterval","tag-settimeout"],"_links":{"self":[{"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=\/wp\/v2\/posts\/1408","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1408"}],"version-history":[{"count":1,"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=\/wp\/v2\/posts\/1408\/revisions"}],"predecessor-version":[{"id":1409,"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=\/wp\/v2\/posts\/1408\/revisions\/1409"}],"wp:attachment":[{"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhuxinyong.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}