{"id":32294,"date":"2024-11-25T09:39:07","date_gmt":"2024-11-25T01:39:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/32294\/"},"modified":"2024-11-25T09:39:07","modified_gmt":"2024-11-25T01:39:07","slug":"vanilla-javascript%ef%bc%9a%e4%bb%8e%e6%97%a5%e6%9c%9f%e4%b8%ad%e6%b7%bb%e5%8a%a0%e6%88%96%e5%87%8f%e5%8e%bb%e5%a4%a9%e6%95%b0%ef%bc%88%e4%bb%a5%e5%8f%8a%e6%9b%b4%e5%a4%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/32294\/","title":{"rendered":"Vanilla JavaScript\uff1a\u4ece\u65e5\u671f\u4e2d\u6dfb\u52a0\u6216\u51cf\u53bb\u5929\u6570\uff08\u4ee5\u53ca\u66f4\u591a\uff09"},"content":{"rendered":"

\"Vanilla<\/p>\n

\u5728\u6700\u8fd1\u7684\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u5982\u4f55\u83b7\u53d6\u548c\u8bbe\u7f6e\u4efb\u4f55 Date \u5bf9\u8c61\u7684\u6708\u3001\u65e5\u3001\u5e74\u548c\u65f6\u95f4\u7684\u503c\u3002\u83b7\u53d6\u548c\u8bbe\u7f6e\u8fd9\u4e9b\u65e5\u671f\u503c\u7684\u80fd\u529b\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u90fd\u4f1a\u6d3e\u4e0a\u7528\u573a\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c06\u7279\u6b8a\u4e8b\u4ef6\u7684\u65e5\u671f\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u663e\u793a\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\u6216\u5bf9\u4e00\u6bb5\u65f6\u95f4\u8fdb\u884c\u52a0\u51cf\u64cd\u4f5c\u3002<\/p>\n

\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u7684\u91cd\u70b9\u5c06\u662f\u5b66\u4e60\u5982\u4f55\u4ece\u6307\u5b9a\u65e5\u671f\u6dfb\u52a0\u6216\u51cf\u53bb\u4e00\u6bb5\u65f6\u95f4\uff0c\u4f8b\u5982\u5e74\u3001\u6708\u3001\u65e5\u3001\u5c0f\u65f6\u548c\u5206\u949f\u3002<\/p>\n

\u5982\u4f55\u5411\u65e5\u671f\u6dfb\u52a0\u5e74\u3001\u6708\u548c\u65e5<\/h2>\n

\u60a8\u53ef\u80fd\u8fd8\u8bb0\u5f97\u6211\u4eec\u7684\u5176\u4ed6\u6559\u7a0b\u4e2d\uff0cJavaScript \u5177\u6709 setFullYear() \u548c getFullYear() \u7b49\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u4eec\u6765\u8bbe\u7f6e\u548c\u83b7\u53d6\u7279\u5b9a\u65e5\u671f\u7684\u5f53\u524d\u5168\u5e74\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 setMonth() \u548c getMonth() \u7b49\u65b9\u6cd5\u6765\u8bbe\u7f6e\u548c\u83b7\u53d6\u7279\u5b9a\u65e5\u671f\u7684\u5f53\u524d\u6708\u4efd\u3002\u540c\u6837\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 setDate() \u548c getDate() \u65b9\u6cd5\u6765\u8bbe\u7f6e\u548c\u83b7\u53d6\u6708\u4efd\u4e2d\u7684\u65e5\u671f\u3002<\/p>\n

\u8ba9\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4e3a\u65e5\u671f\u6dfb\u52a0\u5e74\u4efd\u3002\u5b83\u5c06\u63a5\u53d7\u60a8\u60f3\u8981\u6dfb\u52a0\u7684\u65e5\u671f\u548c\u5e74\u6570\u4f5c\u4e3a\u5176\u53c2\u6570\u5e76\u8fd4\u56de\u65b0\u65e5\u671f\u3002<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

function addYearsToDate(date, years) {\n   let new_date = new Date(date);\n   new_date.setFullYear(new_date.getFullYear() + years);\n\n   return new_date;\n}\n\nlet today = new Date();\nlet five_years_later = addYearsToDate(today, 5);\n\n\/\/ Outputs: Date Wed Jun 07 2023 19:04:56 GMT+0530 (India Standard Time)\nconsole.log(today);\n\n\/\/ Outputs: Date Wed Jun 07 2028 19:04:56 GMT+0530 (India Standard Time)\nconsole.log(five_years_later);\n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u91cd\u8981\u4e00\u70b9\u662f\u4f7f\u7528 Date() \u6784\u9020\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Date \u5bf9\u8c61\uff0c\u8be5\u5bf9\u8c61\u88ab\u5206\u914d\u7ed9\u53d8\u91cf new_date\u3002\u53ea\u9700\u5c06 new_date \u7684\u503c\u8bbe\u7f6e\u4e3a\u7ed9\u5b9a\u7684 date \u5c31\u4f1a\u5bfc\u81f4\u5b83\u4eec\u90fd\u6307\u5411\u540c\u4e00\u4e2a Date \u5bf9\u8c61\u3002<\/p>\n
\u6211\u4eec\u5c06\u4f7f\u7528\u76f8\u540c\u7684\u903b\u8f91\u521b\u5efa addMonthsToDate() \u51fd\u6570\uff0c\u8be5\u51fd\u6570\u63a5\u53d7\u65e5\u671f\u548c\u8981\u6dfb\u52a0\u7684\u6708\u6570\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u65b0\u65e5\u671f\u3002<\/p>\n
 function addMonthsToDate(date, months) {\n   let new_date = new Date(date);\n   new_date.setMonth(new_date.getMonth() + months);\n\n   return new_date;\n}\n\nlet today = new Date();\nlet five_months_later = addMonthsToDate(today, 5);\nlet fifty_months_later = addMonthsToDate(today, 50);\n\n\/\/ Outputs: Date Wed Jun 07 2023 19:15:04 GMT+0530 (India Standard Time)\nconsole.log(today);\n\n\/\/ Outputs: Date Tue Nov 07 2023 19:15:04 GMT+0530 (India Standard Time)\nconsole.log(five_months_later);\n\n\/\/ Outputs: Date Sat Aug 07 2027 19:15:04 GMT+0530 (India Standard Time)\nconsole.log(fifty_months_later); \n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b63\u5982\u6211\u5728\u5176\u4ed6\u6559\u7a0b\u4e2d\u63d0\u5230\u7684\uff0csetMonth() \u65b9\u6cd5\u9047\u5230\u7684\u4efb\u4f55\u6ea2\u51fa\u90fd\u4f1a\u5bfc\u81f4\u7ed9\u5b9a\u65e5\u671f\u6dfb\u52a0\u9002\u5f53\u7684\u5e74\u6570\u3002\u8fd9\u5c31\u662f\u6211\u4eec\u5c06\u65e5\u671f\u52a0\u4e0a 50 \u4e2a\u6708\u540e\u6240\u53d1\u751f\u7684\u60c5\u51b5\u3002\u5b83\u4f7f\u6211\u4eec\u7684\u7ea6\u4f1a\u65e5\u671f\u589e\u52a0\u4e86 4 \u5e74\u96f6 2 \u4e2a\u6708\u3002<\/p>\n
\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u5c06\u7ed9\u5b9a\u7684\u5929\u6570\u6dfb\u52a0\u5230\u6211\u4eec\u6307\u5b9a\u7684\u65e5\u671f\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u65e5\u671f\uff1a<\/p>\n
function addDaysToDate(date, days) {\n   let new_date = new Date(date);\n   new_date.setDate(new_date.getDate() + days);\n\n   return new_date;\n}\n\nlet today = new Date();\nlet five_days_later = addDaysToDate(today, 5);\nlet thousand_days_later = addDaysToDate(today, 1000);\n\n\/\/ Outputs: Date Wed Jun 07 2023 19:29:12 GMT+0530 (India Standard Time)\nconsole.log(today);\n\n\/\/ Outputs: Date Wed Jun 07 2023 19:29:12 GMT+0530 (India Standard Time)\nconsole.log(five_days_later);\n\n\/\/ Outputs: Date Wed Jun 07 2023 19:29:12 GMT+0530 (India Standard Time)\nconsole.log(thousand_days_later);\n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u6211\u4eec\u7684\u65e5\u671f\u4e2d\u6dfb\u52a0\u4efb\u4f55\u65f6\u95f4\u6bb5<\/h2>\n
\u6211\u4eec\u5b9a\u4e49\u4e86\u4e09\u4e2a\u65b0\u51fd\u6570\uff0c\u5141\u8bb8\u6211\u4eec\u5728 JavaScript \u4e2d\u5411\u7ed9\u5b9a\u65e5\u671f\u6dfb\u52a0\u5e74\u3001\u6708\u6216\u65e5\u3002\u60a8\u53ef\u80fd\u60f3\u5728\u65e5\u671f\u4e2d\u6dfb\u52a0\u4e00\u4e9b\u5176\u4ed6\u65f6\u95f4\u6bb5\u6216\u6301\u7eed\u65f6\u95f4\uff0c\u4f8b\u5982\u5c0f\u65f6\u3001\u5206\u949f\u6216\u79d2\u3002\u4e3a\u5b83\u4eec\u518d\u7f16\u5199\u4e09\u4e2a\u51fd\u6570\u662f\u6ca1\u6709\u610f\u4e49\u7684\u3002<\/p>\n
\u4ee5\u4e0b\u51fd\u6570\u53ef\u7528\u4e8e\u5c06\u4efb\u610f\u65f6\u95f4\u6bb5\u6dfb\u52a0\u5230\u6307\u5b9a\u65e5\u671f\uff1a<\/p>\n
function addPeriodToDate(date, {years = 0, months = 0, days = 0, hours = 0, minutes = 0, seconds = 0}) {\n   let new_date = new Date(date);\n   \n   new_date.setFullYear(new_date.getFullYear() + years);\n   new_date.setMonth(new_date.getMonth() + months);\n   new_date.setDate(new_date.getDate() + days);\n   new_date.setHours(new_date.getHours() + hours);\n   new_date.setMinutes(new_date.getMinutes() + minutes);\n   new_date.setSeconds(new_date.getSeconds() + seconds);\n\n   return new_date;\n}\n\n\nlet today = new Date();\n\/\/ Outputs: Date Wed Jun 07 2023 20:18:24 GMT+0530 (India Standard Time)\nconsole.log(today);\n\nlet period = {years: 1, months: 2, days: 3};\nlet new_date = addPeriodToDate(today, period);\n\/\/ Outputs: Date Sat Aug 10 2024 20:18:24 GMT+0530 (India Standard Time)\nconsole.log(new_date);\n\nperiod = {years: 4, months: 22};\nnew_date = addPeriodToDate(today, period);\n\/\/ Outputs: Date Sat Apr 07 2029 20:18:24 GMT+0530 (India Standard Time)\nconsole.log(new_date);\n\nperiod = {days: 4, seconds: 22};\nnew_date = addPeriodToDate(today, period);\n\/\/ Outputs: Date Sun Jun 11 2023 20:18:46 GMT+0530 (India Standard Time)\nconsole.log(new_date);\n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5982\u60a8\u6240\u89c1\uff0c\u4e0a\u8ff0\u51fd\u6570\u4f1a\u4e3a\u60a8\u5904\u7406\u4efb\u4f55\u6ea2\u51fa\u95ee\u9898\u3002\u4e5f\u65e0\u9700\u4e3a\u6240\u6709\u65f6\u95f4\u5355\u4f4d\u63d0\u4f9b\u503c\uff0c\u56e0\u4e3a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5b83\u4eec\u8bbe\u7f6e\u4e3a 0\u3002\u8fd9\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u5730\u4f20\u9012\u6211\u4eec\u60f3\u8981\u6dfb\u52a0\u7684\u5929\u6570\u548c\u79d2\u6570\uff0c\u540c\u65f6\u8df3\u8fc7\u6240\u6709\u5176\u4ed6\u503c\u3002<\/p>\n
\u4ece\u6211\u4eec\u7684\u65e5\u671f\u4e2d\u51cf\u53bb\u4efb\u4f55\u65f6\u95f4\u6bb5<\/h2>\n
\u6211\u4eec\u4e0d\u9700\u8981\u7f16\u5199\u4efb\u4f55\u5355\u72ec\u7684\u51fd\u6570\u6765\u4ece\u65e5\u671f\u4e2d\u51cf\u53bb\u4efb\u610f\u65f6\u95f4\u6bb5\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0a\u4e00\u8282\u4e2d\u7684\u51fd\u6570\u6765\u51cf\u53bb\u5e74\u3001\u6708\u3001\u65e5\u3001\u5c0f\u65f6\u3001\u5206\u949f\u6216\u79d2\u3002\u60a8\u9700\u8981\u505a\u7684\u5c31\u662f\u63d0\u4f9b\u8be5\u671f\u95f4\u7684\u8d1f\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n
period = {years: -1, months: -2, days: -3};\nnew_date = addPeriodToDate(today, period);\n\n\/\/ Outputs: Date Mon Apr 04 2022 20:18:24 GMT+0530 (India Standard Time)\nconsole.log(new_date);\n\nperiod = {years: -4, months: -22};\nnew_date = addPeriodToDate(today, period);\n\n\/\/ Outputs: Date Mon Aug 07 2017 20:18:24 GMT+0530 (India Standard Time)\nconsole.log(new_date);\n\nperiod = {days: -4, seconds: -22};\nnew_date = addPeriodToDate(today, period);\n\n\/\/ Outputs: Date Sat Jun 03 2023 20:18:02 GMT+0530 (India Standard Time)\nconsole.log(new_date); \n<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6700\u7ec8\u60f3\u6cd5<\/h2>\n
\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u4e24\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u6765\u89e3\u51b3 JavaScript \u4e2d\u65e5\u671f\u52a0\u51cf\u5e74\u3001\u6708\u3001\u65e5\u7b49\u95ee\u9898\u3002\u5982\u679c\u60a8\u53ea\u60f3\u6dfb\u52a0\u6216\u51cf\u53bb\u5e74\u4efd\uff0c\u60a8\u53ef\u4ee5\u8003\u8651\u521b\u5efa\u4e00\u4e2a\u50cf addYearsToDate() \u8fd9\u6837\u7684\u51fd\u6570\uff0c\u4e13\u95e8\u7b80\u5355\u5730\u6267\u884c\u6b64\u64cd\u4f5c\u3002\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u521b\u5efa\u4e00\u4e2a\u66f4\u901a\u7528\u7684 addPeriodToDate() \u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u5904\u7406\u4e0d\u540c\u7684\u65f6\u95f4\u5355\u4f4d\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fVanilla JavaScript\uff1a\u4ece\u65e5\u671f\u4e2d\u6dfb\u52a0\u6216\u51cf\u53bb\u5929\u6570\uff08\u4ee5\u53ca\u66f4\u591a\uff09\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\u6700\u8fd1\u7684\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u5982\u4f55\u83b7\u53d6\u548c\u8bbe\u7f6e\u4efb\u4f55 Date \u5bf9\u8c61\u7684\u6708\u3001\u65e5\u3001\u5e74\u548c\u65f6\u95f4\u7684\u503c\u3002\u83b7\u53d6\u548c\u8bbe\u7f6e\u8fd9\u4e9b\u65e5\u671f\u503c\u7684\u80fd\u529b\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u90fd\u4f1a\u6d3e\u4e0a\u7528\u573a\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c06\u7279\u6b8a\u4e8b\u4ef6\u7684\u65e5\u671f\u5b58\u50a8\u5728\u53d8\u91cf\u4e2d\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u6765\u663e\u793a\u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\u6216\u5bf9\u4e00\u6bb5\u65f6\u95f4\u8fdb\u884c\u52a0\u51cf\u64cd\u4f5c\u3002 \u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u7684\u91cd\u70b9\u5c06\u662f\u5b66\u4e60\u5982\u4f55\u4ece\u6307\u5b9a\u65e5\u671f\u6dfb\u52a0\u6216\u51cf\u53bb\u4e00\u6bb5\u65f6\u95f4\uff0c\u4f8b\u5982\u5e74\u3001\u6708\u3001\u65e5\u3001\u5c0f\u65f6\u548c\u5206\u949f\u3002 \u5982\u4f55\u5411\u65e5\u671f\u6dfb\u52a0\u5e74\u3001\u6708\u548c\u65e5 \u60a8\u53ef\u80fd\u8fd8\u8bb0\u5f97\u6211\u4eec\u7684\u5176\u4ed6\u6559\u7a0b\u4e2d\uff0cJavaScript \u5177\u6709 setFullYear() \u548c getFullYear() \u7b49\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u4eec\u6765\u8bbe\u7f6e\u548c\u83b7\u53d6\u7279\u5b9a\u65e5\u671f\u7684\u5f53\u524d\u5168\u5e74\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528 setMonth() \u548c getMonth() \u7b49\u65b9\u6cd5\u6765\u8bbe\u7f6e\u548c\u83b7\u53d6\u7279\u5b9a\u65e5\u671f\u7684\u5f53\u524d\u6708\u4efd\u3002\u540c\u6837\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 setDate() \u548c getDate() \u65b9\u6cd5\u6765\u8bbe\u7f6e\u548c\u83b7\u53d6\u6708\u4efd\u4e2d\u7684\u65e5\u671f\u3002 \u8ba9\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\uff0c\u4e3a\u65e5\u671f\u6dfb\u52a0\u5e74\u4efd\u3002\u5b83\u5c06\u63a5\u53d7\u60a8\u60f3\u8981\u6dfb\u52a0\u7684\u65e5\u671f\u548c\u5e74\u6570\u4f5c\u4e3a\u5176\u53c2\u6570\u5e76\u8fd4\u56de\u65b0\u65e5\u671f\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b function addYearsToDate(date, years) { let new_date = new Date(date); new_date.setFullYear(new_date.getFullYear() + years); return new_date; } let today = new Date(); let five_years_later = addYearsToDate(today, 5); \/\/ Outputs: Date Wed Jun 07 2023 19:04:56 GMT+0530 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-32294","post","type-post","status-publish","format-standard","hentry","category-cms"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32294","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=32294"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32294\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=32294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=32294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=32294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}