{"id":131,"date":"2017-01-05T22:56:17","date_gmt":"2017-01-05T14:56:17","guid":{"rendered":"http:\/\/www.qdabc.cn\/?p=131"},"modified":"2017-01-26T19:57:54","modified_gmt":"2017-01-26T11:57:54","slug":"js%e5%ae%9a%e6%97%b6%e5%99%a8settimeout%e5%92%8csetinterval-%e4%bd%95%e6%97%b6%e8%a2%ab%e8%b0%83%e7%94%a8%e6%89%a7%e8%a1%8c","status":"publish","type":"post","link":"http:\/\/www.qdabc.cn\/?p=131","title":{"rendered":"js\u5b9a\u65f6\u5668setTimeout()\u548csetInterval() \u4f55\u65f6\u88ab\u8c03\u7528\u6267\u884c"},"content":{"rendered":"

setTimeout()\u548csetInterval()\u7ecf\u5e38\u88ab\u7528\u6765\u5904\u7406\u5ef6\u65f6\u548c\u5b9a\u65f6\u4efb\u52a1\u3002setTimeout<\/strong>() \u65b9\u6cd5\u7528\u4e8e\u5728\u6307\u5b9a\u7684\u6beb\u79d2\u6570\u540e\u8c03\u7528\u51fd\u6570\u6216\u8ba1\u7b97\u8868\u8fbe\u5f0f,\u800csetInterval<\/strong>()\u5219\u53ef\u4ee5\u5728\u6bcf\u9694\u6307\u5b9a\u7684\u6beb\u79d2\u6570\u5faa\u73af\u8c03\u7528\u51fd\u6570\u6216\u8868\u8fbe\u5f0f\uff0c\u76f4\u5230clearInterval\u628a\u5b83\u6e05\u9664\u3002<\/p>\n

\u5b9a\u4e49<\/h4>\n

\u4ece\u5b9a\u4e49\u4e0a\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4e24\u4e2a\u51fd\u6570\u5341\u5206\u7c7b\u4f3c\uff0c\u53ea\u4e0d\u8fc7\u524d\u8005\u6267\u884c\u4e00\u6b21\uff0c\u800c\u540e\u8005\u53ef\u4ee5\u6267\u884c\u591a\u6b21\uff0c\u4e24\u4e2a\u51fd\u6570\u7684\u53c2\u6570\u4e5f\u76f8\u540c\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u8981\u6267\u884c\u7684code\u6216\u53e5\u67c4\uff0c\u7b2c\u4e8c\u4e2a\u662f\u5ef6\u8fdf\u7684\u6beb\u79d2\u6570\u3002<\/p>\n

\u5f88\u7b80\u5355\u7684\u5b9a\u4e49\uff0c\u4f7f\u7528\u8d77\u6765\u4e5f\u5f88\u7b80\u5355\uff0c\u4f46\u6709\u65f6\u5019\u6211\u4eec\u7684\u4ee3\u7801\u5e76\u4e0d\u662f\u6309\u7167\u6211\u4eec\u7684\u60f3\u8c61\u7cbe\u786e\u65f6\u95f4\u88ab\u8c03\u7528\u7684\uff0c\u5f88\u8ba9\u4eba\u56f0\u60d1<\/p>\n

\u7b80\u5355\u793a\u4f8b<\/h4>\n

\u770b\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50,\u7b80\u5355\u9875\u9762\u5728\u52a0\u8f7d\u5b8c\u4e24\u79d2\u540e\uff0c\u5199\u4e0bDelayed alert!<\/p>\n

setTimeout('document.write(\"Delayed\u00a0alert!\");',\u00a02000);<\/pre>\n
\u770b\u8d77\u6765\u5f88\u5408\u7406\uff0c\u6211\u4eec\u518d\u770b\u4e2asetInterVal()\u65b9\u6cd5\u7684\u4f8b\u5b50<\/p>\n
var\u00a0num\u00a0=\u00a00;\r\nvar\u00a0i\u00a0=\u00a0setInterval(function()\u00a0{\r\n\tnum++;\r\n\tvar\u00a0date\u00a0=\u00a0new\u00a0Date();\r\n\tdocument.write(date.getMinutes()\u00a0+\u00a0':'\u00a0+\u00a0date.getSeconds()\u00a0+\u00a0':'\u00a0+\u00a0date.getMilliseconds()\u00a0+\u00a0'<br>');\r\n\tif\u00a0(num\u00a0>\u00a010)\r\n\t\tclearInterval(i);\r\n},\u00a01000);<\/pre>\n
\u9875\u9762\u6bcf\u96941\u79d2\u8bb0\u5f55\u4e00\u6b21\u5f53\u524d\u65f6\u95f4\uff08\u5206\u949f\uff1a\u79d2\uff1a\u6beb\u79d2\uff09\uff0c\u8bb0\u5f55\u5341\u6b21\u540e\u6e05\u9664\uff0c\u4e0d\u518d\u8bb0\u5f55\u3002\u8003\u8651\u5230\u4ee3\u7801\u6267\u884c\u65f6\u95f4\u53ef\u80fd\u8bb0\u5f55\u7684\u4e0d\u662f\u6267\u884c\u65f6\u95f4\uff0c\u4f46\u65f6\u95f4\u95f4\u9694\u5e94\u8be5\u662f\u4e00\u6837\u7684\uff0c\u770b\u770b\u7ed3\u679c<\/p>\n
43:\u00a038:\u00a0116\r\n43:\u00a039:\u00a0130\r\n43:\u00a040:\u00a0144\r\n43:\u00a041:\u00a0158\r\n43:\u00a042:\u00a0172\r\n43:\u00a043:\u00a0186\r\n43:\u00a044:\u00a0200\r\n43:\u00a045:\u00a0214\r\n43:\u00a046:\u00a0228\r\n43:\u00a047:\u00a0242\r\n43:\u00a048:\u00a0256<\/pre>\n
\u4e3a\u4ec0\u4e48<\/h4>\n
\u65f6\u95f4\u95f4\u9694\u51e0\u4e4e\u662f1000\u6beb\u79d2\uff0c\u4f46\u4e0d\u7cbe\u786e\uff0c\u8fd9\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f\u539f\u56e0\u5728\u4e8e\u6211\u4eec\u5bf9JavaScript\u5b9a\u65f6\u5668\u5b58\u5728\u4e00\u4e2a\u8bef\u89e3\uff0cJavaScript\u5176\u5b9e\u662f\u8fd0\u884c\u5728\u5355\u7ebf\u7a0b\u7684\u73af\u5883\u4e2d\u7684<\/strong>\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u5b9a\u65f6\u5668\u4ec5\u4ec5\u662f\u8ba1\u5212<\/strong>\u4ee3\u7801\u5728\u672a\u6765\u7684\u67d0\u4e2a\u65f6\u95f4\u6267\u884c\uff0c\u800c\u5177\u4f53\u6267\u884c\u65f6\u673a\u662f\u4e0d\u80fd\u4fdd\u8bc1\u7684\uff0c\u56e0\u4e3a\u9875\u9762\u7684\u751f\u547d\u5468\u671f\u4e2d\uff0c\u4e0d\u540c\u65f6\u95f4\u53ef\u80fd\u6709\u5176\u4ed6\u4ee3\u7801\u5728\u63a7\u5236JavaScript\u8fdb\u7a0b\u3002\u5728\u9875\u9762\u4e0b\u8f7d\u5b8c\u6210\u540e\u4ee3\u7801\u7684\u8fd0\u884c\u3001\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3001Ajax\u56de\u8c03\u51fd\u6570\u90fd\u662f\u4f7f\u7528\u540c\u6837\u7684\u7ebf\u7a0b\uff0c\u5b9e\u9645\u4e0a\u6d4f\u89c8\u5668\u8d1f\u8d23\u8fdb\u884c\u6392\u5e8f\uff0c\u6307\u6d3e\u67d0\u6bb5\u7a0b\u5e8f\u5728\u67d0\u4e2a\u65f6\u95f4\u70b9\u8fd0\u884c\u7684\u4f18\u5148\u7ea7<\/strong>\u3002<\/p>\n
\u6211\u4eec\u628a\u6548\u679c\u653e\u5927\u4e00\u4e0b\u770b\u770b\uff0c\u6dfb\u52a0\u4e00\u4e2a\u8017\u65f6\u7684\u4efb\u52a1<\/p>\n
function\u00a0test()\u00a0{\r\n\tfor\u00a0(var\u00a0i\u00a0=\u00a00;\u00a0i\u00a0<\u00a0500000;\u00a0i++)\u00a0{\r\n\t\tvar\u00a0div\u00a0=\u00a0document.createElement('div');\r\n\t\tdiv.setAttribute('id',\u00a0'testDiv');\r\n\t\tdocument.body.appendChild(div);\r\n\t\tdocument.body.removeChild(div);\r\n\t}\r\n}\r\nsetInterval(test,\u00a010);\r\nvar\u00a0num\u00a0=\u00a00;\r\nvar\u00a0i\u00a0=\u00a0setInterval(function()\u00a0{\r\n\tnum++;\r\n\tvar\u00a0date\u00a0=\u00a0new\u00a0Date();\r\n\tdocument.write(date.getMinutes()\u00a0+\u00a0':'\u00a0+\u00a0date.getSeconds()\u00a0+\u00a0':'\u00a0+\u00a0date.getMilliseconds()\u00a0+\u00a0'<br>');\r\n\tif\u00a0(num\u00a0>\u00a010)\r\n\t\tclearInterval(i);\r\n},\u00a01000);<\/pre>\n
\u6211\u4eec\u53c8\u52a0\u5165\u4e86\u4e00\u4e2a\u5b9a\u65f6\u4efb\u52a1\uff0c\u770b\u770b\u7ed3\u679c<\/p>\n
47:\u00a09:\u00a0222\r\n47:\u00a012:\u00a0482\r\n47:\u00a016:\u00a08\r\n47:\u00a019:\u00a0143\r\n47:\u00a022:\u00a0631\r\n47:\u00a025:\u00a0888\r\n47:\u00a028:\u00a0712\r\n47:\u00a032:\u00a0381\r\n47:\u00a034:\u00a0146\r\n47:\u00a035:\u00a0565\r\n47:\u00a037:\u00a0406<\/pre>\n
\u8fd9\u4e0b\u6548\u679c\u660e\u663e\u4e86\uff0c\u5dee\u8ddd\u751a\u81f3\u90fd\u8d85\u8fc7\u4e863\u79d2\uff0c\u800c\u4e14\u5dee\u8ddd\u5f88\u4e0d\u4e00\u81f4\u3002<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u53ef\u4ee5\u628aJavaScript\u60f3\u8c61\u6210\u5728\u65f6\u95f4\u7ebf\u4e0a\u8fd0\u884c\u3002\u5f53\u9875\u9762\u8f7d\u5165\u7684\u65f6\u5019\u9996\u5148\u6267\u884c\u7684\u662f\u9875\u9762\u751f\u547d\u5468\u671f\u540e\u9762\u8981\u7528\u7684\u65b9\u6cd5\u548c\u53d8\u91cf\u58f0\u660e\u548c\u6570\u636e\u5904\u7406\uff0c\u5728\u8fd9\u4e4b\u540eJavaScript\u8fdb\u7a0b\u5c06\u7b49\u5f85\u66f4\u591a\u4ee3\u7801\u6267\u884c\u3002\u5f53\u8fdb\u7a0b\u7a7a\u95f2\u7684\u65f6\u5019\uff0c\u4e0b\u4e00\u6bb5\u4ee3\u7801\u4f1a\u88ab\u89e6\u53d1<\/p>\n
\u9664\u4e86\u4e3bJavaScript\u8fdb\u7a0b\u5916\uff0c\u8fd8\u9700\u8981\u4e00\u4e2a\u5728\u8fdb\u7a0b\u4e0b\u4e00\u6b21\u7a7a\u95f2\u65f6\u6267\u884c\u7684\u4ee3\u7801\u961f\u5217\u3002\u968f\u7740\u9875\u9762\u751f\u547d\u5468\u671f\u63a8\u79fb\uff0c\u4ee3\u7801\u4f1a\u6309\u7167\u6267\u884c\u987a\u5e8f\u6dfb\u52a0\u5165\u961f\u5217\uff0c\u4f8b\u5982\u5f53\u6309\u94ae\u88ab\u6309\u4e0b\u7684\u65f6\u5019\u4ed6\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4f1a\u88ab\u6dfb\u52a0\u5230\u961f\u5217\u4e2d\uff0c\u5e76\u5728\u4e0b\u4e00\u4e2a\u53ef\u80fd\u65f6\u95f4\u5185\u6267\u884c\u3002\u5728\u63a5\u5230\u67d0\u4e2aAjax\u54cd\u5e94\u65f6\uff0c\u56de\u8c03\u51fd\u6570\u7684\u4ee3\u7801\u4f1a\u88ab\u6dfb\u52a0\u5230\u961f\u5217\u3002JavaScript\u4e2d\u6ca1\u6709\u4efb\u4f55\u4ee3\u7801\u662f\u7acb\u5373\u6267\u884c\u7684\uff0c\u4f46\u4e00\u65e6\u8fdb\u7a0b\u7a7a\u95f2\u5219\u5c3d\u5feb\u6267\u884c\u3002<\/strong>\u5b9a\u65f6\u5668\u5bf9\u961f\u5217\u7684\u5de5\u4f5c\u65b9\u5f0f\u662f\u5f53\u7279\u5b9a\u65f6\u95f4\u8fc7\u53bb\u540e\u5c06\u4ee3\u7801\u63d2\u5165\uff0c\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u5b83\u4f1a\u9a6c\u4e0a\u6267\u884c\uff0c\u53ea\u80fd\u8868\u793a\u5b83\u5c3d\u5feb\u6267\u884c\u3002<\/p>\n
\u77e5\u9053\u4e86\u8fd9\u4e9b\u540e\uff0c\u6211\u4eec\u5c31\u80fd\u660e\u767d\uff0c\u5982\u679c\u60f3\u8981\u7cbe\u786e\u7684\u65f6\u95f4\u63a7\u5236\uff0c\u662f\u4e0d\u80fd\u4f9d\u8d56\u4e8eJavaScript\u7684setTimeout\u51fd\u6570\u7684\u3002<\/p>\n
\u91cd\u590d\u7684\u5b9a\u65f6\u5668<\/h4>\n
\u4f7f\u7528 setInterval() \u521b\u5efa\u7684\u5b9a\u65f6\u5668\u53ef\u4ee5\u4f7f\u4ee3\u7801\u5faa\u73af\u6267\u884c\uff0c\u5230\u6709\u6307\u5b9a\u6548\u679c\u7684\u65f6\u5019\uff0c\u6e05\u9664interval\u5c31\u53ef\u4ee5\uff0c\u5982\u4e0b\u4f8b<\/p>\n
var\u00a0my_interval\u00a0=\u00a0setInterval(function()\u00a0{\r\n\tif\u00a0(condition)\u00a0{\r\n\t\t\/\/..........\r\n\t}\u00a0else\u00a0{\r\n\t\tclearInterval(my_interval);\r\n\t}\r\n},\u00a0100);<\/pre>\n
\u4f46\u8fd9\u4e2a\u65b9\u5f0f\u7684\u95ee\u9898\u5728\u4e8e\u5b9a\u65f6\u5668\u7684\u4ee3\u7801\u53ef\u80fd\u5728\u4ee3\u7801\u518d\u6b21\u88ab\u6dfb\u52a0\u5230\u961f\u5217\u4e4b\u524d\u8fd8\u6ca1\u6709\u6267\u884c\u5b8c\u6210\uff0c\u7ed3\u679c\u5bfc\u81f4\u5faa\u73af\u5185\u7684\u5224\u65ad\u6761\u4ef6\u4e0d\u51c6\u786e\uff0c\u4ee3\u7801\u591a\u6267\u884c\u51e0\u6b21\uff0c\u4e4b\u95f4\u6ca1\u6709\u505c\u987f\u3002\u4e0d\u8fc7JavaScript\u5df2\u7ecf\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5f53\u4f7f\u7528setInterval\uff08\uff09\u65f6\uff0c\u4ec5\u5f53\u6ca1\u6709\u8be5\u5b9a\u65f6\u5668\u7684\u5176\u4ed6\u4ee3\u7801\u5b9e\u4f8b\u65f6\u624d\u5c06\u5b9a\u65f6\u5668\u4ee3\u7801\u63d2\u5165\u961f\u5217\u3002\u8fd9\u6837\u786e\u4fdd\u4e86\u5b9a\u65f6\u5668\u4ee3\u7801\u52a0\u5165\u5230\u961f\u5217\u7684\u6700\u5c0f\u65f6\u95f4\u95f4\u9694\u4e3a\u6307\u5b9a\u95f4\u9694\u3002<\/p>\n
\u8fd9\u6837\u7684\u89c4\u5219\u5e26\u6765\u4e24\u4e2a\u95ee\u9898<\/p>\n
    \n
  1. \u67d0\u4e9b\u95f4\u9694\u4f1a\u88ab\u8df3\u8fc7<\/li>\n
  2. \u591a\u4e2a\u5b9a\u65f6\u5668\u7684\u4ee3\u7801\u6267\u884c\u4e4b\u95f4\u7684\u95f4\u9694\u53ef\u80fd\u6bd4\u9884\u671f\u8981\u5c0f<\/li>\n<\/ol>\n
    \u4e3a\u4e86\u907f\u514d\u8fd9\u4e24\u4e2a\u7f3a\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528setTimeout\uff08\uff09\u6765\u5b9e\u73b0\u91cd\u590d\u7684\u5b9a\u65f6\u5668<\/p>\n
    setTimeout(function()\u00a0{\r\n\t\/\/code\r\n\tsetTimeout(arguments.callee,\u00a0interval);\r\n},\u00a0interval)<\/pre>\n
    \u8fd9\u6837\u6bcf\u6b21\u51fd\u6570\u6267\u884c\u7684\u65f6\u5019\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b9a\u65f6\u5668\uff0c\u7b2c\u4e8c\u4e2asetTimeout\uff08\uff09\u8c03\u7528\u4f7f\u7528\u4e86agrument.callee \u6765\u83b7\u53d6\u5f53\u524d\u5b9e\u884c\u51fd\u6570\u7684\u5f15\u7528\uff0c\u5e76\u8bbe\u7f6e\u53e6\u5916\u4e00\u4e2a\u65b0\u5b9a\u65f6\u5668\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u4fdd\u8bc1\u5728\u4ee3\u7801\u6267\u884c\u5b8c\u6210\u524d\u4e0d\u4f1a\u6709\u65b0\u7684\u5b9a\u65f6\u5668\u63d2\u5165\uff0c\u5e76\u4e14\u4e0b\u4e00\u6b21\u5b9a\u65f6\u5668\u4ee3\u7801\u6267\u884c\u4e4b\u524d\u81f3\u5c11\u8981\u95f4\u9694\u6307\u5b9a\u65f6\u95f4\uff0c\u907f\u514d\u8fde\u7eed\u8fd0\u884c\u3002<\/p>\n
    setTimeout(function()\u00a0{\r\n\tvar\u00a0div\u00a0=\u00a0document.getElementById('moveDiv');\r\n\tvar\u00a0left\u00a0=\u00a0parseInt(div.style.left)\u00a0+\u00a05;\r\n\tdiv.style.left\u00a0=\u00a0left\u00a0+\u00a0'px';\r\n\tif\u00a0(left\u00a0<\u00a0200)\u00a0{\r\n\t\tsetTimeout(arguments.callee,\u00a050);\r\n\t}\r\n},\u00a050);<\/pre>\n
    \u8fd9\u6bb5\u5b9a\u65f6\u5668\u4ee3\u7801\u6bcf\u6b21\u6267\u884c\u7684\u65f6\u5019\uff0c\u628a\u4e00\u4e2adiv\u5411\u53f3\u79fb\u52a85px\uff0c\u5f53\u5750\u6807\u5927\u4e8e200\u7684\u65f6\u5019\u505c\u6b62\u3002<\/p>\n
    \u6b22\u8fce\u5206\u4eab\u672c\u6587\uff0c\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u51fa\u5904\uff1a\u524d\u7aefABC<\/a> » js\u5b9a\u65f6\u5668setTimeout()\u548csetInterval() \u4f55\u65f6\u88ab\u8c03\u7528\u6267\u884c<\/a><\/p>","protected":false},"excerpt":{"rendered":"
    setTimeout()\u548csetInterval()\u7ecf\u5e38\u88ab\u7528\u6765\u5904\u7406\u5ef6\u65f6\u548c\u5b9a\u65f6\u4efb\u52a1\u3002setTimeout() \u65b9\u6cd5\u7528\u4e8e\u5728\u6307\u5b9a\u7684\u6beb\u79d2\u6570\u540e\u8c03\u7528\u51fd\u6570\u6216\u8ba1\u7b97\u8868\u8fbe\u5f0f,\u800csetInterval()\u5219\u53ef\u4ee5\u5728\u6bcf\u9694\u6307\u5b9a\u7684 […]<\/p>\n","protected":false},"author":1,"featured_media":102,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[9,25],"_links":{"self":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/131"}],"collection":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=131"}],"version-history":[{"count":1,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/131\/revisions"}],"predecessor-version":[{"id":132,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/posts\/131\/revisions\/132"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=\/wp\/v2\/media\/102"}],"wp:attachment":[{"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=131"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.qdabc.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}