{"id":2668,"date":"2023-11-14T14:26:31","date_gmt":"2023-11-14T06:26:31","guid":{"rendered":""},"modified":"2023-11-14T14:26:31","modified_gmt":"2023-11-14T06:26:31","slug":"JavaScript Date\u5bf9\u8c61","status":"publish","type":"post","link":"https:\/\/bianchenghao6.com\/2668.html","title":{"rendered":"JavaScript Date\u5bf9\u8c61"},"content":{"rendered":"<div class=\"titlebox\">\n<h1>JavaScript Date\u5bf9\u8c61<\/h1>\n<\/div>\n<div class=\"desc\">\n <strong> JavaScript date <\/strong>\u5bf9\u8c61\u53ef\u7528\u4e8e\u83b7\u53d6\u5e74\uff0c\u6708\u548c\u65e5\u3002\u60a8\u53ef\u4ee5\u501f\u52a9JavaScript\u65e5\u671f\u5bf9\u8c61\u7684\u5e2e\u52a9\u5728\u7f51\u9875\u4e0a\u663e\u793a\u8ba1\u65f6\u5668\u3002\n<\/div>\n<div class=\"desc\">\n  \u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684Date\u6784\u9020\u51fd\u6570\u521b\u5efa\u65e5\u671f\u5bf9\u8c61\u3002\u5b83\u63d0\u4f9b\u4e86\u83b7\u53d6\u548c\u8bbe\u7f6e\u65e5\uff0c\u6708\uff0c\u5e74\uff0c\u65f6\uff0c\u5206\u548c\u79d2\u7684\u65b9\u6cd5\u3002\n<\/div>\n<h2 class=\" h2\">\u6784\u9020\u51fd\u6570<\/h2>\n<div class=\"desc\">\n  \u60a8\u53ef\u4ee5\u4f7f\u7528Date\u6784\u9020\u51fd\u6570\u76844\u79cd\u53d8\u4f53\u6765\u521b\u5efa\u65e5\u671f\u5bf9\u8c61\u3002\n<\/div>\n<p><span class=\"line\">Date()<\/span><br \/>\n<span class=\"line\">Date(milliseconds)<\/span><br \/>\n<span class=\"line\">Date(dateString)<\/span><br \/>\n<span class=\"line\">Date(year, month, day, hours, minutes, seconds, milliseconds)<\/span> <\/p>\n<h2 class=\" h2\"> JavaScript\u65e5\u671f\u65b9\u6cd5<\/h2>\n<div class=\"desc\">\n  \u8ba9\u6211\u4eec\u770b\u4e00\u4e0bJavaScript\u65e5\u671f\u65b9\u6cd5\u53ca\u5176\u8bf4\u660e\u5217\u8868\u3002\n<\/div>\n<table>\n<tbody>\n<tr>\n<td>\u65b9\u6cd5<\/td>\n<td>\u8bf4\u660e<\/td>\n<\/tr>\n<tr>\n<td> getDate() <\/td>\n<td>\u5b83\u8fd4\u56de1\u523031\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8be5\u503c\u8868\u793a\u57fa\u4e8e\u672c\u5730\u65f6\u95f4\u7684\u6307\u5b9a\u65e5\u671f\u7684\u65e5\u671f\u3002<\/td>\n<\/tr>\n<tr>\n<td> getDay() <\/td>\n<td>\u5b83\u8fd4\u56de0\u52306\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8868\u793a\u57fa\u4e8e\u5f53\u5730\u65f6\u95f4\u7684\u661f\u671f\u51e0\u3002<\/td>\n<\/tr>\n<tr>\n<td> getFullYears() <\/td>\n<td>\u5b83\u8fd4\u56de\u4ee3\u8868\u672c\u5730\u65f6\u95f4\u7684\u5e74\u4efd\u7684\u6574\u6570\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> getHours() <\/td>\n<td>\u5b83\u8fd4\u56de0\u523023\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8be5\u503c\u8868\u793a\u57fa\u4e8e\u5f53\u5730\u65f6\u95f4\u7684\u5c0f\u65f6\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> getMilliseconds() <\/td>\n<td>\u5b83\u8fd4\u56de0\u5230999\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8868\u793a\u57fa\u4e8e\u672c\u5730\u65f6\u95f4\u7684\u6beb\u79d2\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> getMinutes() <\/td>\n<td>\u5b83\u8fd4\u56de0\u523059\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8be5\u6574\u6570\u503c\u8868\u793a\u57fa\u4e8e\u672c\u5730\u65f6\u95f4\u7684\u5206\u949f\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> getMonth() <\/td>\n<td>\u5b83\u8fd4\u56de0\u523011\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8868\u793a\u57fa\u4e8e\u5f53\u5730\u65f6\u95f4\u7684\u6708\u4efd\u3002<\/td>\n<\/tr>\n<tr>\n<td> getSeconds() <\/td>\n<td>\u5b83\u8fd4\u56de0\u523060\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8868\u793a\u57fa\u4e8e\u672c\u5730\u65f6\u95f4\u7684\u79d2\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> getUTCDate() <\/td>\n<td>\u5b83\u6839\u636e\u901a\u7528\u65f6\u95f4\u8fd4\u56de1\u523031\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u4ee3\u8868\u6307\u5b9a\u65e5\u671f\u7684\u65e5\u671f\u3002<\/td>\n<\/tr>\n<tr>\n<td> getUTCDay() <\/td>\n<td>\u5b83\u6839\u636e\u901a\u7528\u65f6\u95f4\u8fd4\u56de0\u52306\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u4ee3\u8868\u661f\u671f\u51e0\u3002<\/td>\n<\/tr>\n<tr>\n<td> getUTCFullYears() <\/td>\n<td>\u5b83\u8fd4\u56de\u4ee3\u8868\u901a\u7528\u65f6\u95f4\u7684\u5e74\u4efd\u7684\u6574\u6570\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> getUTCHours() <\/td>\n<td>\u5b83\u8fd4\u56de\u4ecb\u4e8e0\u548c23\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8be5\u6574\u6570\u503c\u8868\u793a\u57fa\u4e8e\u901a\u7528\u65f6\u95f4\u7684\u5c0f\u65f6\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> getUTCMinutes() <\/td>\n<td>\u5b83\u8fd4\u56de\u4ecb\u4e8e0\u548c59\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8be5\u6574\u6570\u503c\u8868\u793a\u57fa\u4e8e\u901a\u7528\u65f6\u95f4\u7684\u5206\u949f\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> getUTCMonth() <\/td>\n<td>\u5b83\u6839\u636e\u901a\u7528\u65f6\u95f4\u8fd4\u56de0\u523011\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u4ee3\u8868\u6708\u4efd\u3002<\/td>\n<\/tr>\n<tr>\n<td> getUTCSeconds() <\/td>\n<td>\u5b83\u8fd4\u56de\u4ecb\u4e8e0\u548c60\u4e4b\u95f4\u7684\u6574\u6570\u503c\uff0c\u8be5\u6574\u6570\u503c\u8868\u793a\u57fa\u4e8e\u901a\u7528\u65f6\u95f4\u7684\u79d2\u6570\u3002<\/td>\n<\/tr>\n<tr>\n<td> setDate()<\/td>\n<td>\u5b83\u6839\u636e\u5f53\u5730\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u65e5\u671f\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setDay()<\/td>\n<td>\u5b83\u6839\u636e\u5f53\u5730\u65f6\u95f4\u8bbe\u7f6e\u4e00\u5468\u4e2d\u7684\u7279\u5b9a\u65e5\u671f\u3002<\/td>\n<\/tr>\n<tr>\n<td> setFullYears()<\/td>\n<td>\u5b83\u6839\u636e\u5f53\u5730\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u5e74\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setHours() <\/td>\n<td>\u5b83\u6839\u636e\u5f53\u5730\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u5c0f\u65f6\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setMilliseconds() <\/td>\n<td>\u5b83\u6839\u636e\u5f53\u5730\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u6beb\u79d2\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setMinutes() <\/td>\n<td>\u5b83\u6839\u636e\u5f53\u5730\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u5206\u949f\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setMonth()<\/td>\n<td>\u5b83\u6839\u636e\u5f53\u5730\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u6708\u4efd\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setSeconds() <\/td>\n<td>\u5b83\u6839\u636e\u5f53\u5730\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u7b2c\u4e8c\u4e2a\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setUTCDate() <\/td>\n<td>\u5b83\u6839\u636e\u4e16\u754c\u6807\u51c6\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u65e5\u671f\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setUTCDay()<\/td>\n<td>\u5b83\u6839\u636e\u4e16\u754c\u65f6\u8bbe\u7f6e\u661f\u671f\u51e0\u3002<\/td>\n<\/tr>\n<tr>\n<td> setUTCFullYears() <\/td>\n<td>\u5b83\u6839\u636e\u4e16\u754c\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u5e74\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setUTCHours() <\/td>\n<td>\u5b83\u6839\u636e\u4e16\u754c\u6807\u51c6\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u5c0f\u65f6\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setUTCMilliseconds()<\/td>\n<td>\u5b83\u6839\u636e\u4e16\u754c\u6807\u51c6\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u6beb\u79d2\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setUTCMinutes() <\/td>\n<td>\u5b83\u6839\u636e\u4e16\u754c\u6807\u51c6\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u5206\u949f\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setUTCMonth() <\/td>\n<td>\u5b83\u6839\u636e\u4e16\u754c\u6807\u51c6\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u6708\u4efd\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> setUTCSeconds() <\/td>\n<td>\u5b83\u6839\u636e\u4e16\u754c\u6807\u51c6\u65f6\u95f4\u8bbe\u7f6e\u6307\u5b9a\u65e5\u671f\u7684\u7b2c\u4e8c\u4e2a\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td> toDateString() <\/td>\n<td>\u5b83\u8fd4\u56deDate\u5bf9\u8c61\u7684\u65e5\u671f\u90e8\u5206\u3002<\/td>\n<\/tr>\n<tr>\n<td> toISOString() <\/td>\n<td>\u5b83\u4ee5ISO\u683c\u5f0f\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u8fd4\u56de\u65e5\u671f\u3002<\/td>\n<\/tr>\n<tr>\n<td> toJSON() <\/td>\n<td>\u5b83\u8fd4\u56de\u4ee3\u8868Date\u5bf9\u8c61\u7684\u5b57\u7b26\u4e32\u3002\u5b83\u8fd8\u5728JSON\u5e8f\u5217\u5316\u8fc7\u7a0b\u4e2d\u5e8f\u5217\u5316Date\u5bf9\u8c61\u3002<\/td>\n<\/tr>\n<tr>\n<td> toString() <\/td>\n<td>\u5b83\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u8fd4\u56de\u65e5\u671f\u3002<\/td>\n<\/tr>\n<tr>\n<td> toTimeString() <\/td>\n<td>\u5b83\u8fd4\u56deDate\u5bf9\u8c61\u7684\u65f6\u95f4\u90e8\u5206\u3002<\/td>\n<\/tr>\n<tr>\n<td> toUTCString() <\/td>\n<td>\u5b83\u5c06\u4f7f\u7528UTC\u65f6\u533a\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u8f6c\u6362\u6307\u5b9a\u7684\u65e5\u671f\u3002<\/td>\n<\/tr>\n<tr>\n<td> valueOf() <\/td>\n<td>\u5b83\u8fd4\u56deDate\u5bf9\u8c61\u7684\u539f\u59cb\u503c\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 class=\" h3\"> JavaScript\u65e5\u671f\u793a\u4f8b<\/h3>\n<div class=\"desc\">\n  \u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u6253\u5370\u65e5\u671f\u5bf9\u8c61\u7684\u7b80\u5355\u793a\u4f8b\u3002\u5b83\u540c\u65f6\u6253\u5370\u65e5\u671f\u548c\u65f6\u95f4\u3002\n<\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> \u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff1a &lt;span id=\"txt\"&gt;&lt;\/span&gt;<br> &lt;script&gt;<br> var today=new Date();<br> document.<span class=\"mediumblue\">getElementById<\/span>('txt').innerHTML=today;<br> &lt;\/script&gt;<br> <\/span><\/code><\/pre>\n<\/div>\n<div class=\"desc\">\n <strong>\u8f93\u51fa\uff1a<\/strong>\n<\/div>\n<div class=\"result\">\n  \u5f53\u524d\u65e5\u671f\u548c\u65f6\u95f4\uff1a<br \/>\n <span id=\"txt\"><\/span><br \/>\n <script>\n                    var today = new Date();\n                    document.getElementById('txt').innerHTML = today;\n                    <\/script>\n<\/div>\n<div class=\"desc\">\n  \u8ba9\u6211\u4eec\u770b\u770b\u53e6\u4e00\u4e2a\u6253\u5370\u65e5\u671f\/\u6708\u4efd\/\u5e74\u4efd\u7684\u4ee3\u7801\u3002\n<\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> &lt;script&gt;<br> var date=new Date();<br> var day=date.<span class=\"mediumblue\">getDate<\/span>();<br> var month=date.<span class=\"mediumblue\">getMonth<\/span>()+1;<br> var year=date.<span class=\"mediumblue\">getFullYear<\/span>();<br> document.<span class=\"mediumblue\">write<\/span>(\"&lt;br&gt;Date is: \"+day+\"\/\"+month+\"\/\"+year);<br> &lt;\/script&gt;<br> <\/span><\/code><\/pre>\n<\/div>\n<div class=\"desc\">\n <strong>\u8f93\u51fa\uff1a<\/strong>\n<\/div>\n<div class=\"result\">\n <script>\n                    var date = new Date();\n                    var day = date.getDate();\n                    var month = date.getMonth() + 1;\n                    var year = date.getFullYear();\n                    document.write(\"\u65e5\u671f\u662f\uff1a\" + day + \"\/\" + month + \"\/\" + year);\n                    <\/script>\n<\/div>\n<h3 class=\" h3\"> JavaScript\u5f53\u524d\u65f6\u95f4\u793a\u4f8b<\/h3>\n<div class=\"desc\">\n  \u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u6253\u5370\u7cfb\u7edf\u5f53\u524d\u65f6\u95f4\u7684\u7b80\u5355\u793a\u4f8b\u3002\n<\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> \u5f53\u524d\u65f6\u95f4\u662f\uff1a &lt;span id=\"txt\"&gt;&lt;\/span&gt;<br> &lt;script&gt;<br> var today=new Date();<br> var h=today.<span class=\"mediumblue\">getHours<\/span>();<br> var m=today.<span class=\"mediumblue\">getMinutes<\/span>();<br> var s=today.<span class=\"mediumblue\">getSeconds<\/span>();<br> document.<span class=\"mediumblue\">getElementById<\/span>('txt').innerHTML=h+\":\"+m+\":\"+s;<br> &lt;\/script&gt;<br> <\/span><\/code><\/pre>\n<\/div>\n<div class=\"desc\">\n <strong>\u8f93\u51fa\uff1a<\/strong>\n<\/div>\n<div class=\"result\">\n  \u5f53\u524d\u65f6\u95f4\u662f\uff1a<br \/>\n <span id=\"txt1\"><\/span><br \/>\n <script>\n                    var today = new Date();\n                    var h = today.getHours();\n                    var m = today.getMinutes();\n                    var s = today.getSeconds();\n                    document.getElementById('txt1').innerHTML = h + \":\" + m + \":\" + s;\n                    <\/script>\n<\/div>\n<h3 class=\" h3\"> JavaScript Number\u65f6\u949f\u793a\u4f8b<\/h3>\n<div class=\"desc\">\n  \u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u4f7f\u7528JavaScript\u65e5\u671f\u5bf9\u8c61\u663e\u793a\u6570\u5b57\u65f6\u949f\u7684\u7b80\u5355\u793a\u4f8b\u3002\n<\/div>\n<div class=\"desc\">\n  \u8bbe\u7f6e\u95f4\u9694\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\u5728JavaScript\u4e2d\uff1a\u901a\u8fc7setTimeout()\u6216setInterval()\u65b9\u6cd5\u3002\n<\/div>\n<div class=\"codebox codeshow\">\n<pre class=\"pure-highlightjs\"><code class=\"null\"><span> \u5f53\u524d\u65f6\u95f4\u662f\uff1a &lt;span id=\"txt\"&gt;&lt;\/span&gt;<br> &lt;script&gt;<br> window.<span class=\"mediumblue\">onload=function<\/span>(){getTime();}<br> function getTime(){<br> var today=new Date();<br> var h=today.<span class=\"mediumblue\">getHours<\/span>();<br> var m=today.<span class=\"mediumblue\">getMinutes<\/span>();<br> var s=today.<span class=\"mediumblue\">getSeconds<\/span>();<br> m=checkTime(m);<br> s=checkTime(s);<br> document.<span class=\"mediumblue\">getElementById<\/span>('txt').innerHTML=h+\":\"+m+\":\"+s;<br> setTimeout(function(){getTime()},1000);<br> }<br> function checkTime(i){<br> if (i&lt;10){<br> &nbsp;&nbsp;i=\"0\" + i;<br> &nbsp;}<br> return i;<br> }<br> &lt;\/script&gt;<br> <\/span><\/code><\/pre>\n<\/div>\n<div class=\"desc\">\n <strong>\u8f93\u51fa\uff1a<\/strong>\n<\/div>\n<div class=\"result\">\n  \u5f53\u524d\u65f6\u95f4\u662f\uff1a<br \/>\n <span id=\"txt2\"><\/span><br \/>\n <script>\n                    window.onload = function() { getTime(); }<\/p>\n<p>                    function getTime() {\n                        var today = new Date();\n                        var h = today.getHours();\n                        var m = today.getMinutes();\n                        var s = today.getSeconds();\n                        m = checkTime(m);\n                        s = checkTime(s);\n                        document.getElementById('txt2').innerHTML = h + \":\" + m + \":\" + s;\n                        setTimeout(function() { getTime() }, 1000);\n                    }\n                    function checkTime(i) {\n                        if (i < 10) {\n                            i = \"0\" + i;\n                        }\n                        return i;\n                    }\n                    <\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"JavaScript Date\u5bf9\u8c61zh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[179],"tags":[],"class_list":["post-2668","post","type-post","status-publish","format-standard","hentry","category-javascript-jc"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/2668"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=2668"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/2668\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=2668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=2668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=2668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}